Find the equation of the tangent line to the curve when x has the given value.f(x) = x2 + 2 ; x = -3
A. y = -3x - 7
B. y = -6x - 7
C. y = -6x - 14
D. y = -6x - 16
Answer: B
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Find the slope of the polar curve at the indicated point.r = 9 csc ?, ? = 
A. 1 B. -1 C. 0 D. Undefined
?Which is the correct answer in unit rate for the following?
A.
?125 miles in 
hours is equivalent to 50 miles per hour.
B.
?150 feet in 10 seconds is equivalent to 15 feet per second.
C.
?275 cm in 5 minutes is equivalent to 45 cm per minute.
D.
?A clock's minute hand moves 90 degrees in 15 minutes. It is equivalent to the minute hand moving 5 degrees per minute.
E.
?A snail travels 4.5 feet in 12 hours, which is equivalent to traveling 
feet per hour.
Solve.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 221 vibrations per second and a wavelength of 15.8 ft. Find the wavelength of another tone that has a pitch of 213 vibrations per second. Round to the nearest hundredths when necessary.
A. 0.06 ft B. 2979.3 ft C. 16.39 ft D. 1.64 ft
Use the actuarial method to find the payoff amount for the loan paid in full before its due date.Amount Financed: $10,000 Regular Monthly Payment: $210.02Total Number of Payments scheduled: 60Loan repaid in full instead of making: 30th payment
A. $5497.82 B. $5798.54 C. $5588.52 D. $5653.72