Write the phrase as a mathematical expression. Use x as the variable.The product of 8.7 and the sum of a number and 10
A. 8.7(x - 10)
B. 10(x - 8.7)
C. 10(x + 8.7)
D. 8.7(x + 10)
Answer: D
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Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = e4x
A. x + 4x + 
+ 
+ ...
B. 1 + 4x + 
+ 
+ ...
C. 4x + 64x3 + 1024x5 + 16,384x7 + ...
D. 1 + 4x + 
+ 
+ ...
Determine the validity of the argument.Sailboats need a windy day to sail.Today is a windy day.Therefore today is a good day for sailing sailboats.
A. Valid B. Not valid
Find the domain and range of the function.y = x3 + 7
A. D = (-?, ?), R = [7, ?) B. D = (-?, ?), R = [0, ?) C. D = [0, ?), R = [7, ?) D. D = (-?, ?), R = (-?, ?)
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Toys4U purchases tricycles for $26. The store's operating expenses are 20% of cost with a net profit of 11% of cost. Find the selling price of one tricycle.
A. $28.34 B. $17.94 C. $23.66 D. $34.06