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3 years ago

If f(x) = x + 4 and g(x) = x^2-1, what is (gºf)(x)?

Mathematics

2 answers:

aliina [53]3 years ago

8 0

Answer:

$x^2+8x+15$

Step-by-step explanation:

$f(x)=x+4 \\\\g(x)=x^2-1 \\\\(g\circ f)(x)=(x+4)^2-1=\\\\x^2+8x+16-1=\\\\x^2+8x+15$

Hope this helps!

Temka [501]3 years ago

8 0

Answer:

x² + 8x + 15

Step-by-step explanation:

(gºf)(x) = g((f(x)) = (x+4)² - 1 = x² + 8x + 16 - 1 = x² + 8x + 15

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