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Chapter 2: Q12. (page 60)

Find h-2 if hx=x3+1.

Short Answer

Expert verified

The value of h-2 is -7.

Step by step solution

01

– Order of operations.

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.

Perform addition and subtraction from left to right.

02

– Given information.

The given function is:

hx=x3+1

Substitute x=-2 in the given function to find the value of h-2.

h-2=-23+1

03

– Calculate the value by simplification.

h(鈭�2)=(鈭�2)3+1=鈭�8+1=鈭�7

Thus, the value of h-2 is -7.

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