Give the numerical coefficient of the term.-4
A. 1
B. 0
C. 4
D. -4
Answer: D
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Solve the problem.A bike road race starts at an elevation of 550 feet and passes through 5 stages where the elevation changes by -191 feet, 25 feet, -568 feet, 43 feet, and 417 feet. At what elevation does the race end?
A. -1794 feet B. 1794 feet C. 276 feet D. 1176 feet
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: 
, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. x-intercept: 
, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
An accounting firm has 780 hours of staff time and 272 hours of reviewing time available each week. The firm charges $1000 for an audit and $350 for a tax return. Each audit requires 60 hours of staff time and 16 hours of review time. Each tax return requires 10 hours of staff time and 4 hours of review time. What numbers of audits and tax returns will yield an optimal revenue? What is the optimal revenue? ?
A. 0 audits13 tax returnsOptimal revenue: $16,800 B. 48 audits5 tax returnsOptimal revenue: $21,800 C. 0 audits65 tax returnsOptimal revenue: $10,000 D. 5 audits48 tax returnsOptimal revenue: $21,800 E. 10 audits10 tax returnsOptimal revenue: $11,750