Question

Q3.The value of p(x)=5x^2 -3x+7 at x=1 is: (a)1 (b) 3 (c) 9 (d)27

Answer 1

9 is the answer

Steps

Answer 2

Answer:

Step-by-step explanation:

Given :- p(x) = 5x²-3x+7

             x = 1

Solution :-

p(x) = 5x²-3x+7..............(i)

putting the value of x=1 in equation (i) we get,

p(1) = 5×(1)² - 3×1 +7

p(1) = 5-3+7

     = 5-4

     = 1

∴p(x) = 1

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