Quick questions on Rational functions and zeros - AP Precalculus Unit 1

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Find the zeros of

f(x) = \frac{x - 7}{x^2 + 4}

. [1 point]

What is q2?

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Does

f(x) = \frac{(x - 1)^2}{x + 2}

cross or touch the

x

-axis at

x = 1

? [1 point]

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