Question 1204154
If a and h are real numbers, find the following values for the given function.
f(x) = x2 − x + 5

(a) f(a)

f(a)=a ^2−a+5

(b)f(−a)

f(-a) = a^2+a+5

(c) −f(a)

-f(a) = -(a ^2−a+5) = -a^2+a-5

(d) f(a + h)

f(a+h) = (a+h)^2-(a+h) +5
= a^2+2ah+h^2-a-h+5


(e) f(a) + f(h)

f(a)+f(h) = a ^2−a+5 +h^2-h+5

(f)  (f(a + h) − f(a))/h h ≠ 0

(f)  ((f(a + h) − f(a))/h= (a^2+2ah+h^2-a-h+5 - a ^2+a-5))/h