SOLUTION: 1. If f(x)=2x-6, what is f(7)-9 2. If G(x)=x-2x^2, what is g(-3)+13

Algebra.Com
Question 1208224: 1. If f(x)=2x-6, what is f(7)-9
2. If G(x)=x-2x^2, what is g(-3)+13

Found 2 solutions by josgarithmetic, timofer:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
(1)
Simple substitution, and evaluate!


(2)
Just make the substitute and evaluate!

Answer by timofer(105)   (Show Source): You can put this solution on YOUR website!
Lets check in on question #2.

; what is
(somebody needs to decide, is it G or g for the function? G and g not the same thing.)







RELATED QUESTIONS

What is [g * f](x) if f(x)= x^2 + 1 and g(x)=... (answered by Gogonati)
If f(x) = 2x + 1 and g(x) = x^2, what is f ○ g? What is g ○... (answered by rothauserc)
If f(x) = 2x + 1 and g(x) = x^2, what is f â—‹ g? What is g â—‹... (answered by josgarithmetic)
If f(x) = 4x – 1 and g(x) = x2 + 2x + 2, what is f(g(x)) ? (answered by stanbon)
if f(x)=2x+3 and g(x)=x^2-3x^-1,then what is... (answered by MathLover1)
if f(x)=3x+6 and g(x)=2x^2-x+3 what is... (answered by stanbon)
If f(x) = |3x| - 10 and g(x) = 2x^3, what is (g*f)( -... (answered by math_tutor2020)
if f(x)=2x-5 and g(x)=1+x^2, then what is equal to... (answered by josgarithmetic)
If f(x) = 3x + 2 and g(x) = 2x – 2, what is (f –... (answered by jim_thompson5910)