Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. sin ? = 0.388
A. 23.0°
B. 25°
C. 23°
D. 25.0°
Answer: A
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = e3x; relative to f(x) = ex
A. Shrunk vertically
B. Shrunk vertically
C. Shrunk horizontally
D. Shrunk horizontally
Solve the equation for solutions in the interval [0°, 360°).cos2 
= 1
A. ? = 0°, 45°, 90°, 135°, 180°, 225°, 270° B. ? = 0° C. ? = 0°, 90°, 180°, 270° D. ? = 33°, 57°, 123°, 147°, 213°, 237°, 303°, 327°
Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.3x2 - 3x + 4 = 0
A. two real solutions B. two nonreal solutions C. exactly one real solution
Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with a16 = 19 and a10 = 7, find a4.
A. -11 B. -3 C. 2 D. -5