Question

Given the two functions below, what is the y-intercept of g(x)?

f(x) = x2
g(x) = f(x –7)

Type your answer as an integer, like this: -14

Answer 1

To find the y-intercept...we would make x = 0

g(x) = f(x - 7) where we see that 'x' we would replace it with whatever f(x) equals...so

g(x) = x² - 7

If we want the y-intercept...x must = 0 .....so we have

g(x) = 0 - 7

the y-intercept must = -7 If i'm correct

Answer 2

you replace x with (x-7), so g(x) = (x-7)^2

Answer 3

Can I have your brains John and Jim? Lol

Answer 4

jim's answer is correct, the answer is not -7

Answer 5

Wait @jim_thompson5910 did I miss that? hang on lol

Answer 6

lol no sorry, but I'm sure you have brains as well brandeejo

Answer 7

it should be 49

Answer 8

(0-7)^2 = 49

Answer 9

so all you do is plug in x = 0 to get...

g(x) = (x-7)^2

g(0) = (0-7)^2

g(0) = (-7)^2

g(0) = 49

Answer 10

Im only kidding. thank you guys. All have been such a huge help!

Answer 11

so you know the point (0,49) is on g(x)

Answer 12

AHH! thank you sorry blind moment there lol

Answer 13

that's fine

Answer 14

So yeah ignore my post @brandeejo :)

Answer 15

Your fine John!