Solve the problem.Fred, a local mechanic, gathered the following data regarding the price, in dollars, of an oil and filter change at twelve competing service stations:
Compute the range.
A. $10
B. $12
C. $14
D. $8
Answer: C
Mathematics
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Decide whether or not the functions are inverses of each other.f(x) = (x - 6)2, x ? 6; g(x) = 
A. Yes B. No
Mathematics
Use substitution to determine whether the given x-value is a solution of the equation.cos 2x = - 
, x = 
A. Yes B. No
Mathematics
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.10x2 + 19x + 6 = 0
A. x = - 
or x = - 
B. x = - 
or x = - 
C. x = 
or x = 
D. x = 
or x = - 
Mathematics
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 2x + 4y = 6.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. Yes B. No
Mathematics