Question

Find p(1),id p(x)=5x^2+3x-7

Answer 1

Answer:

p(1)=5(1)2+3(1)-7

=5(1)+3-7

=5-4

=1

Step-by-step explanation:

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Answer 2

If p(x) = 5x² - 3x + 7 then p(1) = 9

Given :

p(x) = 5x² - 3x + 7

To find :

The value of p(1)

Solution :

Step 1 of 2 :

Write down the given polynomial

The given polynomial is

p(x) = 5x² - 3x + 7

Step 2 of 2 :

Find the value of p(1)

p(x) = 5x² - 3x + 7

Putting x = 1 we get

p(1) = 5 × 1² - ( 3 × 1 ) + 7

⇒ p(1) = 5 - 3 + 7

⇒ p(1) = 2 + 7

⇒ p(1) = 9

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