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3 years ago

This set { } is called the ______ set.

Mathematics

2 answers:

guajiro [1.7K]3 years ago

8 0

These are called braces! Hope this helps

Keith_Richards [23]3 years ago

3 0

Hello my dear friend ✌ ✌

➡The shown set is called curly brackets.

Pls mark my answer as brainliest ✨

❤ Follow me ❤

Good Night ✨ ✌

Sweet ⭐ dreams

⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐

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. Let f(x) = x2 and g(x) = x − 3. Evaluate (g ∘ f)(−2). 1 7 20 −20

lesya692 [45]

For this case we have the following functions:

$f (x) = x ^ 2\\g (x) = x-3$

We must find $(g_ {0} f) (x)$

By definition we have to:

$(g_ {0} f) (x) = g (f (x))$

So:

$g (f (x)) = (x ^ 2) -3 = x ^ 2-3$

We must evaluate the composite function for $x = -2$

$g (f (-2)) = (- 2) ^ 2-3 = 4-3 = 1$

ANswer:

$g (f (-2)) = 1$

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4 years ago

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How do I find the B value in a sine function when I know the period? The period is 15 and I need to find the B value.

yaroslaw [1]

Answer:

b = $\frac{2\pi }{15}$

Step-by-step explanation:

The standard form of the sine is

y = asin(bx + c) + d

where | a | is the amplitude, period = $\frac{2\pi }{b}$

c is the phase shift and d the vertical shift

Here period = 15, thus

$\frac{2\pi }{b}$ = 15 ( multiply both sides by b )

15b = 2π ( divide both sides by 15 )

b = $\frac{2\pi }{15}$

3 0

3 years ago

Which could be the side lengths of a right triangle?

Vsevolod [243]

Answer:

Step-by-step explanation:

90+45+45=180

All triangles equal 180.

Its B because if one angle is 90° then the other angles will equal each other. It cant be 60° and 30° because they dont equal, so your final answer is B.

Hope this Helps!!! :)

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3 years ago

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How do I solve #14?

lisabon 2012 [21]

Still need help ????

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3 years ago

F(x) = x2 + 1<br> f(-3)=)

ozzi

Answer:

f(-3) means, put -3 at x

therefore, f(-3)= 3²+1

=10

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3 years ago