Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -8x2 + 6x + 5.
A. {-1.60, 1.20}
B. {-8, 6}
C. {-0.75, -0.63}
D. {-0.50, 1.25}
4.Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -5x2 + 3x + 7.
A. {1.52, -0.92}
B. {-5, 3}
C. {-0.60, -1.40}
D. {-0.71, 0.43}
5.Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -5x2 + 2x + 8.
A. {-1.08, 1.48}
B. {-5, 2}
C. {-0.40, -1.60}
D. {-0.63, 0.25}