Determine whether the function is even using x = k. f(x) = -7x⁴ - 5x² + 3 A) even B) not even

Name: Determine whether the function is even using x = k. f(x) = -7x 4 - 5x 2 + 3 A) even B) not even
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Question

Quizplus · Accepted Answer

To determine if a function is even using x = k, we need to check if f(-k) = f(k). Let's plug in -k and k into the given function: f(-k) = -7(-k)⁴ - 5(-k)² + 3 = 7k⁴ + 5k² + 3 f(k) = -7k⁴ - 5k² + 3 Now we can see that f(-k) = f(k), which means the function is even. So the answer is A) even.

Determine Whether the Function Is Even Using X = K