If a certain cannon is fired from a height of 8.2 meters above the ground, at a certain angle, the height of the cannonball above the ground, h, in meters, at time, t, in seconds, is found by the function h(t)=−4.9t^2+27.5t+8.2. Find the time it takes for the cannonball to strike the ground. The cannonball will strike the ground after about ___ seconds

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step-by-step explanation:

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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