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3 years ago

HELP!! 4 questions !!! easy points!! 25 points!! please answer quick!

Mathematics

1 answer:

Afina-wow [57]3 years ago

4 0

Step-by-step explanation:

(i) From the graph value of x varies -3 to 3 i.e.

$-3\leq x\leq 3$

and domain in the input values which function can take

So, option (d) is correct.

(ii) option (d) is correct as it represent the function $y=x$ . While all the other function does not satisfy the given conditions.

(iii) $(-14,-15), (-9,-10)$ are the parts of solution pair.

(iv) Option (c) and (d) represents the function as each element of the first set has a unique image in the second set.

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3 years ago

What is the simplest form of the expression below?

sineoko [7]

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(B) cot Theta

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We want to simplify the expression:

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3 years ago

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Which of these points are on a line that has a slope of -3?

Ira Lisetskai [31]

Simple....

using the formula $\frac{ y_{1}- y_{2} }{ x_{1}- x_{2} }$ to find slope....

1.) (9,2)(4,3)

$\frac{2-3}{9-4}= -\frac{1}{5}$ (No)

2.) (9,2)(3,4)

$\frac{2-4}{9-3} = -\frac{2}{6} =- \frac{1}{3}$ (No)

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4.) (2,9)(4,3)

$\frac{9-3}{2-4} = \frac{6}{-2} =-3$ (YES!)

Thus, your answer.

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3 years ago