Find the domain of the composite function f ? g.f(x) = 
; g(x) = 5x + 10
A. {x 
B. {x 
C. {x 
D. {x 
Answer: D
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.sec 
A. -1 B. 1 C. 0 D. Undefined
Mathematics
Reduce the fraction by finding a common factor in the numerator and in the denominator and dividing by the common factor.
A. 
B. 
C. 
D. 
Mathematics
Find 
. Express the answer in standard form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)
A. -10 + 10i
B. - 
+ 
i
C. -2 + 2i
D. - 
+ 
i
Mathematics
Find the sum of the infinite geometric sequence.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics