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2 years ago

If f(x) = 2x² +5√(x-2), complete the following statement: f(3) =

Mathematics

2 answers:

Musya8 [376]2 years ago

6 0

We just replace the "x" with the starting number (in this case "3").

$f(3) \: = \: 2(3) ^{2} \: + \: 5 \sqrt{3 \: - \: 2}$

$f(3) \: = \: 2 \: \times \: 9 \: + \: 5 \sqrt{1}$

$f(3) \: = \: 18 \: + \: 5 \: \times \: 1$

$f(3) \: = \: 18 \: + \: 5$

$f(3) \: = \: \boxed{ \bold{23}}$

<h3><em><u>MissSpanish</u></em></h3>

Alex17521 [72]2 years ago

6 0

Answer:

f(3)=23

Step-by-step explanation:

f(x) = 2x² +5√(x-2)

Plug in 3 for all the x values.

f(3)=2(3)^2 +5√(3-2)

f(3)=2(9)+5√(1)

Next multiply 2 and 9

Remember the square root of 1 is 1.

f(3)=18+5(1)

5*1=5

f(3)=18+5=23

f(3)=23

Hope this helps!

If not, I am sorry.

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