Question

for f(x) = 4x + 1 and g(x) = x^2 − 5, find (f - g)(x).
a] -x^2+4x-4
b]6+4x-x^2
c]x^2-4x-6
d]4x^2-19

Answer 1

(f-g)(x) means f(x) - g(x)

plug in 4x+1 for f(x) and x^2-5 for g(x)

so 4x+1 -(x^2-5) simplify

Answer 2

-x^2+4x+6 ?

Answer 3

correct! :)

Answer 4

would it be b then?

Answer 5

yes :)

Answer 6

yaaaay thank you once again! ill be posting more questions so more medals for you :)

Answer 7

lol glad I can help :)