Question

1. Given that f(x) = 4x2 + 10x + k ,find the value

of k when f(-1).
A. 6
c. 4
B. 3
D.2​

Answer 1

when it shows f(x) then f(-1) it just means substitute

0 = 4(-1)^2 + 10(-1) + k

-6 + k = 0

k = 6

it should be a