Solve the problem.A boat goes 490 miles downstream in the same time it can go 420 miles upstream. The speed of the current is 8 miles per hour. Find the speed of the boat in still water.
A. 91 mph
B. 96 mph
C. 104 mph
D. 112 mph
Answer: C
Mathematics
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Provide an appropriate response.Given the function f(x) = x2 + 4x + 2, find:(a)the domain(b)f(0)(c)f(3)(d)f(-2)(e)f(-t2)
What will be an ideal response?
Mathematics
Select the smaller of the two given numbers.?-20?, ?-24?
A. ?-24? B. ?-20?
Mathematics
Graph the function.f(x) = 3-x
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the function.Nina is a comissioned salesperson. She earns a base salary of 
per week plus 
of the sales price of the items sold. Her gross salary G as a function of the price p of items sold is given by 
What is the domain of the function?
A. [450, ?) B. (450, ?) C. (0, ?) D. [0, ?)
Mathematics