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3 years ago

Evaluate f(-2) if f(x) = x2+ 3

Mathematics

2 answers:

taurus [48]3 years ago

7 0

Answer:

f(-2) = 7

Step-by-step explanation:

becuase yes

kaheart [24]3 years ago

4 0

Answer:

f(-2) = 7

Step-by-step explanation:

-2 squared would be a positive 4 then add 3

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Answer:

178m squared

Step-by-step explanation:

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Add up all the answers and that's the ans

90+78+10=178

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3 years ago

8/5 ( 2x + 13 ) - 3 = 22

Alona [7]

Answer:

$x = \frac{21}{16}$ = 1 5/16

[/tex] 1 \frac{5}{16}[/tex]

Step-by-step explanation:

$\frac{8}{5} (2x + 13) - 3 = 22$

Expand

$\frac{16}{5} x + \frac{104}{5} - 3 = 22 \\ \frac{16}{5} x + \frac{89}{5} = 2$

Collect like terms and simplify

$\frac{16}{5} x = 22 - \frac{89}{5} \\ \frac{16}{5} x = \frac{21}{5}$

Cross Multiply

$80x = 105$

Divide both sides of the equation by 80

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5 0

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