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Mathematics (09) Practice Test - MTELs Mathematics (09) Practice Test - MTELs

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Mathematics (09) Practice Test85. Use the graph below to answer the question that follows.y10.5–6–4 –2 2 4 6x–0.5–1Given the above graph of a trigonometric relation, which of the following graphs representsits inverse?A. B.yy–1 –0.8 –0.6 –0.4 –0.22.521.510.50.2 0.4 0.6 0.8 1x–1 –0.8 –0.6 –0.4 –0.21.510.50.2–0.5–1–1.50.4 0.6 0.8 1xC. D.yy12.50.52–2 –11 2x1.51–0.5–1–2 –10.51 2x54

Mathematics (09) Practice Test86. Use the function below to answer the question thatfollows.f(x) = x3 – 2x 2 + 34x 3 + 5x – 1Which of the following is the limit of f(x) as x approachesinfinity?A. –3B. 0C.D.141287. Which of the following functions is continuous for all realvalues of x?A. f(x) = x2 – 9x – 3B. f(x) = x2 – 9x – 3C. f(x) = ⎩⎨ ⎧ x 2 + 2 for x £ 1x + 2 for x >1D. f(x) = ⎩⎨ ⎧ x + 2 for x £ 1x – 2 for x >155

Mathematics (09) Practice Test86. Use the function below to answer the question thatfollows.f(x) = x3 – 2x 2 + 34x 3 + 5x – 1Which of the following is the limit of f(x) as x approachesinfinity?A. –3B. 0C.D.141287. Which of the following functions is continuous <strong>for</strong> all realvalues of x?A. f(x) = x2 – 9x – 3B. f(x) = x2 – 9x – 3C. f(x) = ⎩⎨ ⎧ x 2 + 2 <strong>for</strong> x £ 1x + 2 <strong>for</strong> x >1D. f(x) = ⎩⎨ ⎧ x + 2 <strong>for</strong> x £ 1x – 2 <strong>for</strong> x >155

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