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Chapter 7: Q22. (page 350)

Find $p (4) and p (- 2)$ for the function $p (x) = 2 - x$ .

Short Answer

Expert verified

The value of $p (4) = - 2 and p (- 2) = 4$ .

Step by step solution

01

Step 1. Write down the given information.

The given function is $p (x) = 2 - x$ .

02

Step 2. Calculation.

Evaluating $p (4) and p (- 2)$ by plugging $x = 4 and x = - 2$ in given function $p (x) = 2 - x$ .

$\begin{matrix} p (x) = 2 - x .... (Given) \\ p (4) = 2 - (4) \\ = - 2 \\ Now, p (- 2) = 2 - (- 2) \\ = 4 \end{matrix}$

03

Step 3. Conclusion.

The value of $p (4) = - 2 and p (- 2) = 4$ .

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Most popular questions from this chapter

Graph the polynomial function $f (x) = x^{4} - 7 x^{2} + x + 5$ by making table of values.

Complete each of the following.

Graph each function by making a table of values.
Determine consecutive values of x between which each real zero is located.
Estimate the x-coordinate at which the relative maxima and relative minima occur.

f (x) = x^{3} - 2 x^{2} + 6

Find $p (4) and p (- 2)$ for the function $p (x) = 7 x^{2} - 9 x + 10$ .

If $p (x) = 3 x^{2} - 2 x + 5 and r (x) = x^{3} + x + 1$ then find $r (x + 1) - r (x^{2})$ .

If $p (x) = 2 x^{3} + 6 x - 12 and q (x) = 5 x^{2} + 4$ then find $3 p (a) - q (a + 1)$ .

See all solutions

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