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kow [346]
3 years ago
14

If f(x)=3x^2 +1 and g(x)=1-x, what is the value of (f-g)(2)

Mathematics
1 answer:
liraira [26]3 years ago
5 0

(f-g)(x)=3x^2+1-(1-x)=3x^2+1-1+x=3x^2+x\\\\ (f-g)(2)=3\cdot2^2+2=14

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5a+8+(-2a)=-7<br> I need help with this question especially because of the parenthesis
Mashcka [7]

Answer:

5a+8+(-2a)=-7

5a+8-2a=-7

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3 0
3 years ago
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AURORKA [14]

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11.5

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Determine the answer to 3 + (-5) and explain the steps using a number line
Andreas93 [3]

Answer:

-2

Step-by-step explanation:

3 - 5 = -2

Place the dot on -2 on the number line that is on your problem as the answer. To show the steps on the number line, use your jumps to go back. For example, your starting point will be on 3, and then use your jumps to go back by 5; that means you go into the negatives. For this case, it is -2.

4 0
3 years ago
If the sales tax rate is 8%, what is the tax on a $5.75 cent purchase?
lora16 [44]

Answer:

$0.46

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3 0
2 years ago
3/4 of the shirts in a store are black. 50% of the shirts are white and the remaining 12 shirts are red. How many black masks ar
saul85 [17]

Answer:

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Let the total number of shirts be x.

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and 12 are red

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12 are white and 12 are red.

4 0
3 years ago
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