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If F(x)=2x^2-30 find f(4)

If F(x)=2x^2-30 find f(4)-example-1
User Ragav
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1 Answer

4 votes

Substitute 4 for x in the expression. After substituting for x, your new problem will be: 2(4)^2 - 30.

Solve the exponents first, so now you will have 2(16) - 30.

Multiply 2 times 16. 2 * 16 = 32, so now your problem should look like: 32 - 30.

Subtract to get your final answer of 2.

f(4) = 2

User Driscoll
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