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Solnce55 [7]
3 years ago
13

Let f(x) = 5x + 2 and g(x) = x² + 2x + 5. Evaluate the following.

Mathematics
1 answer:
pshichka [43]3 years ago
5 0

Answer:

A. 7

B. -3

C. 8

D. 13

E. 5a+17

F. a^{2} + 8a + 20

Step-by-step explanation:

A. f(1) = 5*1 +2, which equals 7

B. f(-1)= 5(-1)+2 which equals -3

C. g(-3)= (-3)^2+ 2(-3)+ 5 = 9- 6+ 5 = 8.

D. g(2)= (2)^2+ 2(2)+ 5= 4+ 4+ 5= 13.

E. f(a+3)= 5(a+3)+2 = 5a+ 15+ 2= 5a+ 17.

F. g(a+3)= (a+3)^2+ 2(a+3)+ 5= a^{2}+ 6a+ 9+ 2a+ 6+ 5= a^{2}+ 8a+ 20.

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3 years ago
What 5 consecutive odd numbers equal 200
dimulka [17.4K]

Answer:

{36, 38, 40, 42, 44}

Step-by-step explanation:

You are implying that you are adding up 5 consecutive numbers, and should use the word "add" or the word "sum."

"The sum of 5 consecutive odd numbers is 200" leads to:

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3 years ago
What is .07 times 1.22
lidiya [134]
.07×1.22 = ?
first take away the decimals in the question, 7×122 =854.
now add the decimals back to the answer, we had 4 decimal places in the questions so add 4 decimal places to 854 = 0.0854

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3 years ago
If 4/5 of a population of a certain town is considered to be middle class and the population of the town is 2000 how many people
const2013 [10]
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Next, you would cross multiply. 
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Now, all you would have to do is isolate the x. To do this, you would divide both sides by 5. 
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1,600 people are considered middle class. 

I hope this helps!</span>
8 0
3 years ago
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