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3 years ago

If f(x) = 3x – 2 and g(x) = x2 + 1, find f [g(-3)] and g[1–3)].

Mathematics

1 answer:

Stolb23 [73]3 years ago

5 0

I think the answer is D

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3 years ago

denis-greek [22]

Answer:

Part a) $AB=15\ cm$

Part b) $AB=11.1\ cm$

Part c) $AB=3/5\ cm$

Part d) $AB=3s\ cm$

Step-by-step explanation:

see the attached figure to better understand the question

we know that

To find the length of the image after a dilation, multiply the length of the pre-image by the scale factor

Part a) we have

The scale factor is 5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(5)=15\ cm$

Part b) we have

The scale factor is 3.7

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(3.7)=11.1\ cm$

Part c) we have

The scale factor is 1/5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(1/5)=3/5\ cm$

Part d) we have

The scale factor is s

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(s)=3s\ cm$

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3 years ago

Express the ratio AC/DF in simplest form

murzikaleks [220]

Answer:

$\frac{n}{28 \: cm}$

Step-by-step explanation:

AC = n, DF = 28 cm

$\huge \red{ \frac{AC}{DF} }= \purple{ \frac{n}{28 \: cm}} \\$

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3 years ago

If two angles are both obtuse, the two angles are equal

yan [13]

If two angles are equal, then the two angles are obtuse.

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3 years ago

What is the median of 77, 84, 85, 88, and 99?

telo118 [61]

Answer:

86.6

Step-by-step explanation:

77+84+85+88+99=433

433/5=86.6

7 0

3 years ago

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