For f(x) = 2x + 1 and g(x) = x^2- 7, find (f - g)(x).

-x^2+2x+8

Step-by-step explanation:

(f-g)(x)=2x+1-(x^2-7)

(f-g)(x)=2x+1-x^2+7

(f-g)(x)= -x^2+2x+8

x^2 + 2x - 6

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

= (2x +1) + (x^2 - 7)

= x^2 + 2x - 6

vwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.

step-by-step explanation: