For the pair of functions, find the indicated domain.f(x) = 2x - 5, g(x) = 
Find the domain of g ? f.
A. [-?,-2)
B. [-2, ?)
C. (-9, 9)
D. [9, ?)
Answer: B
Mathematics
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Find the GCF for the group of monomials.21x4y2, 189x9y, and 441x5y5
A. 189x4 B. 3969x5 C. 21x5y5 D. 21x4y
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2C
A. 
B. - 
C. 
D. - 
Mathematics
Add the numbers.22 + 49
A. 71 B. 70 C. 72 D. 61
Mathematics
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
2(x2 + 4)3
A. - 
, multiplicity 2, crosses x-axis
B. - 
, multiplicity 2, touches x-axis; -4, multiplicity 3, crosses x-axis
C. 
, multiplicity 2, touches x-axis; 4, multiplicity 3, crosses x-axis
D. - 
, multiplicity 2, touches x-axis
Mathematics