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4 years ago

5

Jay is trying to calculate his grade for his math class. If his test scores are 87, 80, 96, 94, and 88, what is his average grad

e?

1 answer:

Trava [24]4 years ago

4 0

Answer:

87.8

Step-by-step explanation:

87 + 80 + 96 + 94 + 88 = 439

439 ÷ 5 = 87.8

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3 years ago

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1. f(-6)=12

2. k(-4)=-68

Further explanation:

We have two functions whose values we have to find on certain points.

In order to find the values of function, the value is put in place of variable in the function.

So,

<u>1. f(a) = -2a</u>

We have to find, f(-6)

So putting -6 in function

$f(-6) = -2(-6)\\= 12$

<u>2. k(x) = -3x^2+5x</u>

We have to find, k(-4)

So putting -4 in function

$k(-4)=-3(-4)^2+5(-4)\\=(-3)(16)-20\\=-48-20\\=-68$

Keywords: Functions, values of functions

Learn more about functions at:

#LearnwithBrainly

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