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Chapter 2: Q57. (page 62)

If f(x)=2x-5, then f0=

A0. B-5. C-3. localid="1647966294067" D52.

Short Answer

Expert verified

The correct option is B.

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

– Substitute the given value in the given function.

Substitute x=0in the function fx=2x-5.

f0=20-5

03

– Calculate the value by simplification.

f0=20鈭�5f0=0鈭�5f0=鈭�5

If fx=2x-5, then f0=-5.

Thus,the correct option is B.

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Most popular questions from this chapter

Graph each equation or inequality.

11.鈥夆赌�y=2x鈭�5

Find the x-intercept and the y-intercept of the graph of each equation. Then graph of the equation.

2x+5y-10=0

Compare the quantity in Column A and the quantity in Column B. Then determine whether:

A. the quantity in Column A is greater,

B. the quantity in Column B is greater,

C. the two quantities are equal, or

D. the relationship cannot be determined from the information given.

Column A

Column B

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鈭�5,2,2,4,1,1,鈭�5,鈭�2

Write each equation in standard form. Identify A, B and C.

0.25x=0.1+0.2y
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