Find the indicated coefficient or term.The coefficient of x in the expansion of (3x + 4)5
A. 3,840
B. 5,120
C. 2,880
D. 960
Answer: A
Mathematics
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Rewrite the expression in terms of exponentials and simplify the results.cosh 7x + sinh 7x
A. 7x B. e7x C. e7x - e-7x D. 2e7x
Mathematics
Convert the units as shown. 20
cu yd = ____ cu ft
A. 0.765 B. 558 C. 0.641 D. 549
Mathematics
Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.
log3 (x6 )+ 
log3(x6 ) - 
log3 x
A. log3 (x7)
B. log3 (x26/9)
C. log3 (x9/2)
D. 
log3 (x12)
Mathematics
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cot ? = 
, ? < ? < 
Find tan 2?.
A. - 
B. 
C. - 
D. 
Mathematics