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Pavel [41]
2 years ago
8

Which of the following is an even function?

Mathematics
1 answer:
alukav5142 [94]2 years ago
3 0

Answer:

<h3>D) f(x) = 7</h3>

Step-by-step explanation:

A function is even when f(-x) = f(x) for all x in the domain of f. We can say that the function is simetrical over x axis.

That's all i know, Hope it helps!

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Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per​ month, whe
Len [333]

Answer:

S(t) = -18t^\frac{5}{3}+2440

Company will take approximately 14 months

Step-by-step explanation:

Given function that shows the change rate of computers,

S'(t)=-30 t^{\frac{2}{3}}

Where,

t = number of months

On integrating,

\int S'(t) = -30\int t^{\frac{2}{3}} dt

S(t) = -30(\frac{t^{\frac{2}{3}+1}}{\frac{2}{3}+1})+C

S(t) = -30 (\frac{t^{\frac{2+3}{3}}}{\frac{2+3}{3}})+C

S(t) = -30(\frac{t^\frac{5}{3}}{\frac{5}{3}})+C

S(t) = -30(\frac{3t^\frac{5}{3}}{5})+C

S(t) =-18t^\frac{5}{3}+C

According to the question,

S(0) = 2,440,

\implies -18(0)^\frac{5}{3}+C=2440\implies C = 2440

Hence, the required function,

S(t) = -18t^\frac{5}{3}+2440

If S(t) = 1,000,

-18t^\frac{5}{3}+2440=1000

-18t^\frac{5}{3}=-1440

t^\frac{5}{3}=80

t = (80)^\frac{3}{5}\approx 13.86

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3 years ago
Choose either yes or no to tell if each of the following represents 0.87.
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You didnt attach an image lol
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The length of a diagonal of a square is 35√2 millimeters. find the perimeter of the square
Volgvan

Answer:

i dk sorry

Step-by-step explanation:

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The members of a club hire a bus for $2100.seven members withdraw from the club and the remaining members have to pay $10 more e
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James and Martina each read
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148 books

Step-by-step explanation:

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