Question

What is the value of the function f(x) = –x + 4 when x = –2?

Answer 1

Answer:

f(x) = 6

Step-by-step explanation:

f(x) = -(-2) +4

f(x) = 2 + 4

f(x) = 6.

Answer 2

f(x) = -x + 4
x = -2
-(x) = -(-2)
-x = 2
sub -x into the equation
f(x) = 2 + 4
f(x) = 6
f(-2)= 6
-2f = 6
-f = 3
f= -3