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For f(x)=2x3 finding each value.

f(-1)+f(2)

Short Answer

Expert verified

The valuef(1)+f(2) is –4

Step by step solution

01

Step 1. From question.

The given expression isf(x)=2x3

02

Step 2. To find.

We have to find the value of f(1)+f(2)iff(x)=2x3

03

Step 3. Evaluation.

Putting x=1and 2 in f(x)=2x3and substituting we get,

f1+f2=213+223=23+43=5+1=4

Hence, the value of f(1)+f(2)itfx=2x3is – 4.

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