SOLUTION: Let f(x)=3x + 5. Find (A) f(3) (B) f(h) (C) f(3) + f(h) (D) f(3 + h)

Algebra ->  Functions -> SOLUTION: Let f(x)=3x + 5. Find (A) f(3) (B) f(h) (C) f(3) + f(h) (D) f(3 + h)      Log On


   

Question 817517: Let f(x)=3x + 5. Find
(A) f(3)
(B) f(h)
(C) f(3) + f(h)
(D) f(3 + h)
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute the expression or the value and either simplify or compute.

(D) as an example,
The input asked is 3+h. SUBSTITUTE 3+h for x in the function formula.
3*x+5
3(3+h)+5
.
.
Now okay? Finsih?