Simplify the radical expression. Assume all variables represent positive real numbers.
A. 
B. 7
C. 
D. 49
Answer: C
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Solve the problem.The cost of tuition at a community college is given by C(x) = 490 + 54x, where x is the number of credit hours. Interpret the slope of this function as a rate of change.
A. The tuition at the community college increases by $54 for each additional credit hour. B. The tuition at the community college increases by $490 for each additional 54 credit hours. C. The tuition at the community college increases by $490 for each additional credit hour. D. The number of credit hours increases by 54 for each increase of $490 in tuition.
Use the Gauss-Jordan method to solve the system of equations.5x + 2y + z = -112x - 3y - z = 177x - y = 12
A. (0, -6, 1) B. (-2, 0, -1) C. (1, -5, 0) D. No solution
Graph the function and then find the specified limit. When necessary, state that the limit does not exist.f(x) = 
; 
f(x) 
A. 
f(x) = 3
B. 
f(x) = 3
C. 
f(x) = 0
D. 
f(x) = -3
Use the graph of 
to write an equation for the function whose graph is shown.
?
?
?
A. 
B. 
C. 
D. 
E. 