Use synthetic division to decide whether the given number is a zero of the given polynomial.1; P(x) = x4 + 3x2 - 4
A. No
B. Yes
Answer: B
Mathematics
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Without graphing the function, determine its amplitude or period as requested.y = sin 5xFind the period.
A. 2?
B. 
C. 5
D. 1
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 8cos (?x), y = 8, x = -0.5, x = 0.5
A. 128?
B. 
?
C. 32?
D. 64?
Mathematics
Find the reference angle for ?. ? = -287°
A. -17° B. 107° C. 73° D. 287°
Mathematics
Solve the problem. Use a fraction for the rate and round dollar amounts to the nearest cent.Eric Johnson is depreciating a kitchen oven range purchased for $1850. The scrap value is estimated to be $185. He will use double-declining-balance and depreciate over 20 years. What is the first year's depreciation?
A. $83.25 B. $166.50 C. $185.00 D. $92.50
Mathematics