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Ierofanga [76]
3 years ago
12

If f(x) = 1/2x^3 + 2x, find f(-2).

Mathematics
2 answers:
Nady [450]3 years ago
8 0

Answer:

Evaluate the function.

− 8

Step-by-step explanation:

Jet001 [13]3 years ago
8 0

Answer:

Step-by-step explanation:

f(x)=1/2x³+2x

find f(-2)

f(-2)=1/2(-2)³+2(-2)

f(-2)=1/2*(-8)-4

f(-2)=-4-4

f(-2)=-8

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Answer:

\sqrt{145}

Step-by-step explanation:

Hi there!

We are given the points (2, 7) and (-6, -2). We want to find the distance between them. To do that, we can use the distance formula

The distance formula is given as \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}, where (x_1, y_1) and (x_2, y_2) are points

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Now substitute those values into the formula:

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

\sqrt{(-6-2)^2+(-2-7)^2}

Simplify the values under the radical:

\sqrt{(-8)^2+(-9)^2}

Raise to the second power:

\sqrt{64+81}

Add the numbers under the radical together

\sqrt{145}

The answer can be left as that, as the radical cannot be simplified.

Hope this helps!

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