Simplify.
(2x^2 + 7x + 10) - (x^2 + 2x - 9)

a)
x2 + 9x + 1

b)
x2 + 5x + 19

c)
3x2 + 9x + 1

d)
2x2 + 9x + 19

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function

there is no answer sorry!

step-by-step explanation:

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step-by-step explanation: