Graph the function on the indicated interval.y =
sin (2x), 0 ? x ? 2? 
A.
B.
C.
D.
Answer: C
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Write an inequality with the same meaning.24 ? 17
A. 17 ? 24 B. 24 ? 17 C. 24 > 17 D. 17 ? 24
Evaluate the function as indicated.Find f(k - 1) when f(x) = 5x2 + 5x + 6.
A. 5k2 - 5k + 16 B. 5k2 - 5k + 6 C. 5k2 + 35k + 16 D. -5k2 + 5k + 6
Solve the rational inequality. Express the solution using interval notation. < 8
A. ? (7, ?)
B. (-?, -7) ?
C.
D. (-?, -7) ? (7, ?)
Solve the problem.The inequality |T - 38| ? 17 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. 15 ? T; The monthly averages are always greater than or equal to
B. 15 ? T ? 61; The monthly averages are always within
C. 21 ? T ? 55; The monthly averages are always within
D. T ? 55; The monthly averages are always less than or equal to