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Chapter 3: Q. 507 (page 361)

Evaluate the function

a) f(-2)b) f(3)c) f(a)

f(x)=x2鈭�5x+6

Short Answer

Expert verified

The function is f(x)=x2-5x+6

a) To evaluate f(-2), so we get20

b) To evaluate f(3), so we get0

c) To evaluate f(a), so we geta2-5a+6

Step by step solution

01

Step 1. Given Information

We have the function

f(x)=x2-5x+6

02

Part a) Step 2. Evaluate f(-2)

Substitute -2for x

f(-2)=(-2)2-5(-2)+6f(-2)=4+10+6f(-2)=20

03

Part b) Step 3. Evaluate f(3)

Substitute 3for x

f(3)=(3)2-5(3)+6f(3)=9-15+6f(3)=-6+6f(3)=0

04

Part c) Step 4. Evaluate f(a)

Substitute afor x

f(a)=a2-5a+6

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Most popular questions from this chapter

Find the intercepts of the equation2x+5y=10.

Use the slope formula to find the slope of the line between each pair of points.

-2,-1,6,5.

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Find the intercepts of the equationx-2y=8.

Find the equation of a line with given slope and y-intercept and write the equation in slope-intercept form.

Slope 0 and y-intercept0,-1.
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