Identify the expression as a polynomial or not a polynomial.0.4x8 - 6.8
A. Polynomial
B. Not a polynomial
Answer: A
Mathematics
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Evaluate the integral.
A. 
tan3 x + C
B. 4 tan x + 
tan3 x + C
C. - 
tan3 x + C
D. 4(sec x + tan x)5+ C
Mathematics
Solve the problem.The cost C of an international call is given by the formula 
where 
Find the duration of a call that costs $3.22 by replacing C in the formula with 3.22 and solving the resulting equation.
A. 7 minutes B. 23 minutes C. 15 minutes D. 16 minutes
Mathematics
List the critical values of the related function. Then solve the inequality.
< 
A. - 
, 0; 
? (0, ?)
B. No critical values; (-?, ?)
C. 
, - 
, 0, 
; 
? 
D. -7, 
, - 
, 0, 
; 
? 
? 
Mathematics
Use the vectors ,
to find the indicated quantity. State whether the result is a vector or a scalar.
Mathematics