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If $f(x)=2x^3-2,$ what is the value of $f(2)?$

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Find derivatives of exponential functions

Full solution

Q. If

f(x)=2x^3-2,

what is the value of

f(2)?

Substitute $x$ with $2$ : Substitute $x$ with $2$ in the function $f(x) = 2x^3 - 2$ . $\newline$ $f(2) = 2(2)^3 - 2$
Calculate $2^3$ : Calculate the value of $2^3$ . $\newline$ $2^3 = 8$
Multiply by $2$ : Multiply the result from Step $2$ by $2$ . $\newline$ $2 \times 8 = 16$
Subtract $2$ : Subtract $2$ from the result of Step $3$ to find $f(2)$ . $\newline$ $f(2) = 16 - 2$
Calculate final result: Calculate the final result. $f(2) = 14$

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