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2 years ago

Find f(-2) if f(x) = x + x + 7. f(-2) =

Mathematics

1 answer:

Lynna [10]2 years ago

3 0

Answer:

f(-2) = 9

Step-by-step explanation:

Given that,

f(x) = x² + x + 7

We need to find the value of f(-2).

Put x = -2 in the given function.

f(-2) = (-2)² + (-2) + 7

= 4-2+7

= 9

Hence, the value of f(-2) is equal to 9.

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Step-by-step explanation:

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2 years ago

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what is the approximate percent increase when the population of a town increases from 12,089 to 15,025? round the population amo

IrinaVladis [17]

Answer:

The approximate percentage is 25%.

Step-by-step explanation:

The initial population was = 12089 rounded off to 12000.

The final population is = 15025 rounded off to 15000.

Change in population = $15000-12000=3000$

So, the approximate percent increase is =

$\frac{3000}{12000}\times100$

= 25%.

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3 years ago

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An angle measures 61º. What is the measure of its supplement? HELP ME PLEASE

Irina-Kira [14]

The supplement of 61 degree is 119 degrees
180-61=119

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3 years ago

Help

Art [367]

$\huge\fbox{Answer ☘}$

$\bold{3( \frac{27}{8} ) {}^{ \frac{2}{3} \times - 1} = 2( \frac{32}{243} ) {}^{2x} }\\ \\3(( \frac{3}{2} ) {}^{3} ) {}^{ \frac{2}{3} \times - 1 } = 2(( \frac{2}{3} ) {}^{5} ) {}^{2x} \\\\ 3( \frac{3}{2} ) {}^{2 \times - 1} = 2( \frac{2}{3} ) {}^{10x} \\\\ 3( \frac{2}{3} ) {}^{2} = 2( \frac{2}{3} ) {}^{10x} \\\\ 3( \frac{4}{9} ) = 2( \frac{4}{9} ) {}^{5x} \\\\\bold\pink{ comparing \: powers }\\\\5x = 1 \\\\ \bold\blue{x = \frac{1}{5} }$

hope helpful~

5 0

2 years ago

? + ? =8<br>+ +<br>? - ? =6<br>= =<br>13 8

natta225 [31]

3.5 + 4.5 = 8
+       +
9.5 - 3.5 = 6
=      =
13       8

8 0

2 years ago