Question

Given f(x) = 2x - 1, find the value of f(-1).

Answer 1

just substitute the x on function f(x) for -1 as follows:

f(-1) = 2(-1) -1 now just solve

Answer 2

i did but it doesnt want to give me the answer

Answer 3

that is -2 -1 = -3
so f(-1) = -3

Answer 4

what do you mean by "it doesn't want to give you the answer"

Answer 5

yes

Answer 6

??

Answer 7

so whts the answer

Answer 8

that is the answer

Answer 9

k