SOLUTION: Using f(x)=5x+2 and g(x)=x^2 -3 Needing to know how to find the following: 1)(g o f)(-2) 2)(f o g) (2a) 3) g(a-2) Thank you

SOLUTION: Using f(x)=5x+2 and g(x)=x^2 -3 Needing to know how to find the following: 1)(g o f)(-2) 2)(f o g) (2a) 3) g(a-2) Thank you

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Question 363134: Using f(x)=5x+2 and g(x)=x^2 -3
Needing to know how to find the following:
1)(g o f)(-2)
2)(f o g) (2a)
3) g(a-2)
Thank you
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f(x)=5x+2 and g(x)=x^2 -3
1)(g o f)(-2)
(5x+2)^2-3
=25x^2+20x+4-3
=25(-2)^2+20(-2)+1
=100-40+1
x=61
.
Ed

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