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Y_Kistochka [10]
3 years ago
14

PLEASE HELP ASAP IL MARK BRAIN....

Mathematics
2 answers:
Naddik [55]3 years ago
6 0
The answer is A I think
fenix001 [56]3 years ago
4 0
I’m pretty sure it is a
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If f(x)=3x-2 and g(x)=x^2+1, find f(g(-1)) and g(f(3))
julsineya [31]

Answer:

f(g(-1))=4

g(f(3))=50

Step-by-step explanation:

We know the definition of both functions: f(x)=3x-2, and g(x)=x^2+1

A) In order to evaluate what f(g(-1)) is, let's first investigate what g(-1) is using the definition for this function:

g(x)=x^2+1\\g(-1)=(-1)^2+1\\g(-1)=1+1\\g(-1)=2

Now let's find what f(2) is using f(x) definition: f(x)=3x-2\\f(2)=3(2)-2\\f(2)=6-2\\f(2)=4

B) In order to evaluate what g(f(3)) is, let's first investigate what f(3) is using the definition for this function:

f(x)=3x-2\\f(3)=3(3)-2\\f(3)=9-2\\f(3)=7

Now let's find what g(7) is using the definition for this function:

g(x)=x^2+1\\g(7)=(7)^2+1\\g(7)=49+1\\g(7)=50

4 0
3 years ago
Solve for y. You must write your answer in fully simplified form.<br><br> -12 = -5y
MArishka [77]

Answer:

Y= 12/5

Step-by-step explanation:

-12= -5y

-12/-5=y

3 0
3 years ago
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