Question

p(x)=5x² - 3x + 7 at x =1

Answer 1

Step-by-step explanation:

5×1²-3×1+7

5-3+7

12-3

9

Hope it will help you

Answer 2

Hello!

Answer:

$It\:\:is\:\:P=9$

Step-by-step explanation:

$P(x)=5x^2 - 3x + 7$

We replace x = 1:

$P(1)=5(1)^2 - 3(1) + 7$  

We delete the parentheses:  

$P= 5\cdot 1-3+7$  

We multiply the numbers:

$P=5-3+7$  

We add and subtract:

$P=9$