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3 years ago

If f(x) = x2 and g(x) = x - 3, then g(f(x)) = ?

Mathematics

1 answer:

pogonyaev3 years ago

3 0

The answer is A- x^2-3 because f(x) is plugged into the “x” of g(x)

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Help with trigonometry

Oksanka [162]

Answer:

○B. $\frac{\sqrt{6}}{2}$

Step-by-step explanation:

Trigonometric Identities

$\frac{y}{r} = sin\:θ$

$\frac{x}{r} = cos\:θ$

$\frac{y}{x} = tan\:θ$

$\frac{r}{x} = sec\:θ$

$\frac{r}{y} = csc\:θ$

$\frac{x}{y} = cot\:θ$

Radius Formula

${y}^{2} + {x}^{2} = {r}^{2}$

${[-\sqrt{15}]}^{2} + {[-\sqrt{10}]}^{2} = {r}^{2} → 15 + 10 = {r}^{2} → 25 = {r}^{2}\\ \\ 5 = r$

* Since we are talking about radii, we only want the NON-NEGATIVE root.

In this case, we will not be using the radius in our ratio, according to the trigonometric identity above because we are using the tangent ratio:

$\frac{\sqrt{6}}{2} = \frac{-\sqrt{15}}{-\sqrt{10}} = \sqrt{1\frac{1}{2}}$

I am joyous to assist you anytime.

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3 years ago

Is –54 ÷ 6 positive or negative?

Zigmanuir [339]

Answer:

Negative

Step-by-step explanation:

–54 ÷ 6 = -9

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3 years ago

A = L times W, Solve for W

Flura [38]

A = LW

Divide both sides by L (To isolate W)

W = $\frac{A}{L}$

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What is -9.25 times 0.80?? Thanks to anyone who answers!!

Pie

Answer:

-7.4

Step-by-step explanation:

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Which of the sequences is an arithmetic sequence?

PilotLPTM [1.2K]

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