Solve the problem.If f(x) gives the time in hours to travel x miles at 
per hour, then what does 
give?
A. The hours taken to travel x miles
B. The miles traveled in 48 hours
C. The miles traveled in x hours
D. The hours taken to travel 48 miles
Answer: C
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Identify the equation as either an identity or not.-2 cos 10x cos 4x = cos 7x cos 3x
A. Identity B. Not an identity
Provide an appropriate response.125 + 95 = 22095 + 125 = 220This is an example of the 
.
A. associative property of addition B. commutative property of multiplication C. associative property of multiplication D. commutative property of addition
Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.2 tan x + cot x = 5
A. 1.98, 2.93, 5.13, 6.07 B. No solution C. 0.22, 1.98, 4.30, 5.13 D. 0.22, 1.16, 3.36, 4.30
Solve.Find the constant of variation and the variation equation in which y varies jointly as x and z and y = 405 when x = 9 and z = 9
A. k = 45; y = 45x
B. k = 5; y = 5xz
C. k =405; y = 
D. k = 7; y = 7xz