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Consider f(x)=2x^2+8x-7, and reply the following questions. Determine coordinates of x and y intercepts of f(x). Write intervals on which f(x) is increasing and decreasing.
Distance the body falls from rest differs directly as square of time falls. If the penny fall dropped from top of skyscaper falls 144 feet in 3 seconds, how far will ball fall in seven seconds?
Compute vertex of parabola whose equations is f(x)=12x^2-x-6. Define 5 other points on graph to include: they y-intercept, x-intercepts and 3 other solutions.
Write the equation for reaction of Tollens Reagent with heptanal. Write structure of organic product resulting from reaction of basic KI/I2 reagent with 2-butanone.
If its population is found to be at the certain level at 10 pm on same day, then at what time was its population at the quarter of that level?
Provided the following function, draw the basic graph of each. Do so by plotting x- and y-intercepts, and then use end behavior to find out how to graph must look.
The culture of bacteria obeys law of exponential growth. If 500 bacteria are there intially and there are 800 after 1 hour. Determine exponential function for model.
Find life expectancy of the human with average heartbeat of 72 beats per minute? Does theory appear to hold humans? Describe.
Project B must not exceed 40% of total investment. How much must she invest in every project to maximize return on investment?"
If you don't fence side along river, determine length and width of plot which will maximze area. Find largest area which can be enclosed?
The price p (in dollars) and quantity x sold of the certain product obey demand equation p= (-1/10)x+1000. SHOW WORK Pls. Write down equation which expresses revenue R as the function of x.
How many grams left after four days? When will it have half of its initial amount? By what percent number of grams decreases after one week?
At year 1 there were 1320 salamanders and at year 4 there were 4625. Write the formula for number of salamanders N, in population as a function of t.
Find how much club must invest in every kind of stock if investment goal is to have the return of $20,000/year on total investment.
The tax specialist has evaluated that probability that the tax return chosen at random will be audited is .02. Find probability that the tax return selected at random will result in extra assessments
Statistics, A contractor built 30 similar homes in a suburban development. The homes have comparable size and amenities, but each has been sold with features that customize the appearance, landscape,
If the college education charges $80,000, how large the trust fund paying 8% interest compounded continuously should be established at the child's birth to make sure enough funds at age 18?
Determine vertex of the model #2. Find predicted maximum revenue? what price would maximize projected revenue? Draw the detailed graph of the revenue model from #2 labeling intercepts and maxima.
Determine fundamental conjunction made up from variables w, x, y, z, or their complements, where value of conjunction is 1 precisely.
Sides are made of material which costs 4 cents per square centimeter. State total cost of C of material as the function of radius R of cylinder. Find cost be if radius is 10 centimeters?
Determine sum of all the 3 digit odd positive integers. Assume you started the exercise program by riding the bicycle 15 miles on first day.
Determine the 4th, 5th, and 6th terms of this sequence? Write first 4 terms of recursive sequence: a1=3 and an+1=2an+6 for n >or equal to 1 .
Determine 8th term of the arithmetic sequence if 4th term is 8 and fifth term is 2. Determine 1st term of the arithmetic sequence if 2nd term is 19 and 4th term is 31.
Determine The number X such that: e^(2x) -e^x =30. Assume that R is the small positive number. Evaluate slope of line containing points (5, e^5) and ( 5+R, e^(5+R))
How much would the initial amount of $3000, compounded continuously at 7% annual interest, become after fifteen years? How long it takes for money to triple if compounded continuously at 3% per year?