Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a22 when a1 = 22, d = -3.
A. -63
B. 85
C. -44
D. -41
Answer: D
Mathematics
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = -7x + 8
A. 
B. 
C. 
D. 
Mathematics
Compute and simplify the difference quotient 
, h ? 0.f(x) = 2x2 + 7x
A. 4x + 2h + 7 B. 4x2 + 2h + 7x C. 6x - 4h + 14 D. 4x + 7
Mathematics
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.cos-1(-0.9397)
A. -20° B. 157° C. 160° D. 162°
Mathematics
Calculate the binomial coefficient: 
A. 30 B. 1 C. 12 D. 0 E. 15
Mathematics