Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 61°
A. 3.87
B. 1.80
C. 1.67
D. 3.74
Answer: B
Mathematics
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Use the given feasible region determined by the constraint inequalities to find the maximum possible value of the objective function.f = 7x + 6y subject to the constraints 
A. 275 B. 405 C. 385 D. 231
Mathematics
Solve.At a local university, students pay tuition of $943 per credit hour. Estimate the tuition cost of 21 credit hours by first rounding each value to the nearest ten.
A. $19,803 B. $960 C. $18,800 D. $19,800
Mathematics
Round the number as indicated.9059 to the nearest ten
A. 9050 B. 9070 C. 9160 D. 9060
Mathematics
Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-4, 6] by [-2, 8]
A. 
B. 
C. 
D. 
Mathematics