Helpp me please. click the photo to see the question
2 answers:
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Answer:
Step-by-step explanation:
We know the definition of both functions: , and
A) In order to evaluate what , let's first investigate what g(-1) is using the definition for this function:
Now let's find what f(2) is using f(x) definition:
B) In order to evaluate what , let's first investigate what f(3) is using the definition for this function:
Now let's find what g(7) is using the definition for this function:
This is a proportion problem that involves cross-multiplication
Set your problem up like so:
= 
Now cross multiply
2,000 x 3 = 6,000
now you're left with 5x = 6,000
Now divide by 5 on both sides
Answer is 1,200
Set your problem up like so:
Now cross multiply
2,000 x 3 = 6,000
now you're left with 5x = 6,000
Now divide by 5 on both sides
Answer is 1,200