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Use the given functions to evaluate the following:a (x) = x +7b(x) = 13 - 4xc(x) = x² + 5x + 1Find 5 + c(2)=5² -b(-3)=?

User Teodora
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1 Answer

1 vote

20

4

1) To evaluate 5 +c(2)

Let's insert 2 into the function c(x) =x²+5x+1

So, 5 +c(2) Plugging into that quadratic function

5 +2² +5(2) +1

5+4 +10 +1

9+11

20

2) 5² - b(-3) For this one let's pick the second linear function and plug it

5² -13 -4(-3)

25-13 +12

25-1

24

User BobRodes
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