Question

What is the value of the dependent variable if the value of the independent variable is -1?

f(x) = 8x² + 2x
A. -10
B. 6
C. -6
D. 10
Please select the best answer from the choices provided
A
B
D

Answer 1

B) 6

Explanation:

f(x) = 8x^2 + 2x

f(-1) = 8 (-1^2) + 2 (-1)

= 8 (1) + (-2)

= 8 - 2

= 6