Question

What is the y-intercept of the function f(x) = 2x+12

Answer 1

answer is f(0)=12

Explanation:

f(x)=2x + 12

to find y-intercept, subsitute x=0

f(0) = 2 x 0 + 12

any expression multiplied by 0 equals 0

f(0) = 0=12

when adding or subtracting the quantity does not chnage

f(0)=12