Determine whether or not the function is one-to-one.f(x) = x3 + 8
A. Yes
B. No
Answer: A
Mathematics
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Use the given information to find the exact value of the expression.sin ? = - 
, ? lies in quadrant IV, and cos ? = - 
, ? lies in quadrant III
Find sin (? - ?).
A. 
B. 
C. 
D. 
Mathematics
Multiply.(8 - 2i)(7 + 4i)
A. -8i2 + 18i + 56 B. 64 + 18i C. 64 - 18i D. 48 - 46i
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 
Mathematics
Solve. Write the answer as a mixed number as needed.Tia pays her babysitter $4 per hour. The babysitter worked for 4
hours on Friday and 1
hours on Saturday. How much will Tia pay her babysitter for the two days of babysitting?
A. $16.00 B. $12.50 C. $32.00 D. $25.00
Mathematics