3 years ago

50 POINTS!!!! PLEASE HELP!!!!!

Mathematics

2 answers:

Alex3 years ago

6 0

Answer:

D,C,E,A

Step-by-step explanation:

GaryK [48]3 years ago

3 0

Answer:

First: D

Second: C

Third: E

Fourth: A

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Lorico [155]

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3 years ago

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Suppose the path of a baseball follows the path graphed by the quadratic function ƒ(d) = –0.6d2 + 5.4d + 0.8 where d is the hori

Vinil7 [7]

Answer:

Domain is all real numbers

Range is

$y\le 12.95$

Step-by-step explanation:

The given function is

$f(d)=-0.6d^2+5.4d+0.8$

This is a maximum quadratic function therefore the domain is all real numbers.

Let us complete the square to find the vertex.

$f(d)=-0.6(d^2-9d)+0.8$

$f(d)=-0.6(d^2+9d)+-0.6(\frac{9}{2})^2- -0.6(\frac{9}{2})^2+ 0.8$

$f(d)=-0.6(d-\frac{9}{2})^2+\frac{243}{20}+ 0.8$

$f(d)=-0.6(d-\frac{9}{2})^2+\frac{259}{20}$

Therefore the range is

$y\le \frac{259}{20}$

$y\le 12.95$

See graph

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3 years ago

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Given the function f(x)=-2x+ 4x -7, find f(-4)

Sedaia [141]

F(x)=-2x+4x-7
f(x)=2x-7
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To find the answer, you divide the price by the amount of pencils. This should lead you to have individual Brand A pencils at $0.15 and individual Brand B pencils at $0.12, making Brand B the better buy.

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What is the quotient of 15p^-4 q^-6/-20p^-12 q^-3 in simplifed form?

geniusboy [140]

$\cfrac{15p^{-4}q^{-6}}{-20p^{-12}q^{-3}} =- \cfrac{3p^{12}q^{3}}{4p^{4}q^{6}} =- \cfrac{3p^{8}}{4q^{3}}$

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3 years ago