4 years ago

For questions 13 - 14, determine which mappings are functions. please help, will give brainliest

Mathematics

1 answer:

cestrela7 [59]4 years ago

7 0

Answer:

Step-by-step explanation:

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Graph h(x)=7 sin x ?

DENIUS [597]

Answer:

The graph of h(x) is shown below.

Step-by-step explanation:

The given function is

$h(x)=7\sin x$

The general form of sine function is

$f(x)=a\sin(bx+c)+d$

Where, a is amplitude, b is period, c is phase shift and d is vertical shift.

So, the amplitude of the given function is 7, period is 1, phase shift is 0 and vertical shift is 0.

It means the minimum value of function is -7 and maximum value is 7.

Put x=0 in the given function.

$h(x)=7\sin (0)=7(0)=0$

Put $x=-\frac{\pi}{2}$ in the given function.

$h(x)=7\sin (-\frac{\pi}{2})=-7(1)=-7$

Put $x=\frac{\pi}{2}$ in the given function.

$h(x)=7\sin (\frac{\pi}{2})=7(1)=7$

Therefore the points on the function are (0,0), $(-\frac{\pi}{2},-7),(\frac{\pi}{2},7)$ .

The graph of function is shown below.

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3 years ago

Which statement best describes the area of the triangle shown below? A coordinate grid is shown with a triangle.. The base is 4

drek231 [11]

It willllllllll be B

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3 years ago

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3. Study the numerical expression 7 x (9-3). Which one of the following expressions is equivalent to this numerical expression?

Nezavi [6.7K]

Answer:

Step-by-step explanation:

First step is to do whatever is in the parentheses: 9-3.

Then you will multiply 7 by that number; which will give you the answer.

B is correct because it does it that way.

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3 years ago