Solve the problem.Jim and Tammi climbed to the top of a 21,120-ft mountain. How many miles did they climb?
A. 8 mi
B. 5 mi
C. 4.5 mi
D. 4 mi
Answer: D
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Change the complex number to rectangular form.13.35(cos 146.4° + j sin 146.4°)
A. -11.120 + 7.388j B. 3.043 - 2.022j C. -3.043 + 2.022j D. 7.388 - 11.120j
For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 
A. removable discontinuity at (4, -1);
no x-intercept, y-intercept: 
;
asymptotes x = 5, y = 0
B. no removable discontinuities;
no x-intercept, no y-intercept;
asymptotes x = 5, x = 4, y = 0
C. no removable discontinuities;
no x-intercept, no y-intercept;
asymptotes x = -5, x = -4, y = 0
D. removable discontinuity at (-4, 1);
no x-intercept, y-intercept: 
;
asymptotes x = -5, y = 0
Solve the equation on the interval 0 ? ? < 2?.sin(4?) = 
A. {0}
B. 
C. 
D. 
Write the inequality in interval notation.x > 7
A. (-?, 7) B. [7, ?) C. (-?, 7] D. (7, ?)