For f(x) and g(x) as given, use interval notation to write the domain of the given function.f + g, where f(x) = 
, g(x) = 
A. 
? 
B. 
? 
C. 
D. 
Answer: B
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Determine the indefinite integral.
A. - 
cosh 4x + C
B. cosh-1 4x + C
C. cosh 4x + C
D. 
cosh 4x + C
Write the word phrase as an algebraic expression. Use x to represent the unknown number.The sum of a number and 149
A. x + 149 B. x - 149 C. 149x D. 149
Use Heron's formula to determine the area of the triangle. If necessary, round the answer to two decimal places. 
A. 44.74 B. 195.03 C. 14.98 D. 4.86
Solve the problem.Rental on a car is $130 plus $0.02 per mile. If x represents the number of miles driven and f(x) represents the total cost to rent the car, a linear function that models the situation is 
Find the value of x if 
Interpret your answer in the context of this problem.
A. 2400; It costs $2400 to drive the rental car 178 miles. B. 2400; It costs $178 to drive the rental car 2400 miles. C. 134; It costs $134 to drive the rental car 178 miles. D. 134; It costs $178 to drive the rental car 134 miles.