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3 years ago

I need the answer and show work for this question

Mathematics

2 answers:

gavmur [86]3 years ago

6 0

Answer:

f(3) =-12

f(-1) =-12

Step-by-step explanation:

HELLO THERE

f(3)=-2(3)^2+8(3)

f(3)=-36+24

f(3)=-12

----------------------------

f(-1) =2(-1) ^2+8(-1)

f(-1) =-4-8

f(-1) =-12

//Both equal -12//

HAVE A GREAT DAY

snow_lady [41]3 years ago

4 0

Answer:

Step-by-step explanation:

f(x) = -2x² + 8x

f(3) = -2*(3)² + 8*3

= - 2*9 + 24

= - 18+ 24

f(3) = 6

f(1)= -2*(-1)² + 8*(-1)

= -2*1 - 8

= - 2 -8

f(1) = -10

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3 years ago

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2 years ago

A plane flew 525 miles in 1.75 hours. Find the average speed of the plane.

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3 years ago

Difference between<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B5%7D%20%20-%20%20%5Cfrac%7B3%7D%7B10%7D%20" id="TexF

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Step-by-step explanation:

see below

$\longrightarrow \: \frac{4}{5} - \frac{3}{10}$

$\longrightarrow \: \frac{8 - 3}{10}$

$\longrightarrow \: \cancel{\frac{5}{10} }$

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1 year ago

Read 2 more answers

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Step-by-step explanation:

Hope this work :)

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