Question

g(a)=a² - 1
f(a) = 4a +5
Find (g - f)(a)

Answer 1

Answer: a² - 4a - 6

Step-by-step explanation:

g(a)=a² - 1

f(a) = 4a +5

(g-f)(a)=

g(a)-f(a)=

a² - 1-(4a +5)=

a² - 1-4a-5=a² - 4a - 6