Perform the operation and reduce to lowest terms.12
× 5
A. 71
B. 70
C. 65
D. 60
Answer: B
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Determine any local or absolute extrema as indicated.Estimate graphically the local extrema of f(x) = 
.
A. Local maximum: 0.67; local minimum: -0.67 B. Local maximum: 0; local minimum: 0 C. Local maxima: 0, 0.67; local minima: -0.67, 0 D. Local maximum: 3; local minimum: -3
Find all solutions if 
. Give your answers in degrees. Verify your answer graphically.
?
?
? = __________°
What will be an ideal response?
Find the indicated roots.Tenth roots of -4; trigonometric form
A. 
(cos 18° + i sin 18°), 
(cos 54° + i sin 54°), 
i, 
-
i, 
B. 
, 
(cos 36° + i sin 36°), 
(cos 72° + i sin 72°), 
-
, 
C. 
(cos 18° + i sin 18°), 
(cos 54° + i sin 54°), 
i, 
(cos 126° + i sin 126°), 
D. 
, 
, -
, 
Solve the problem.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $144 for 3 days and 300 miles, while Mary was charged $258 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
A. $31 per day, 19¢ per mile B. $29 per day, 19¢ per mile C. $18 per day, 30¢ per mile D. $30 per day, 18¢ per mile