Solve.If 2 ft 11 in. of material is used to manufacture one scarf, how much material is needed for 7 scarves?
A. 14 ft 11 in.
B. 17 ft 7 in.
C. 20 ft 5 in.
D. 24 ft 5 in.
Answer: C
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Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = 0.15x4 + 0.3x3 - 0.8x2 + 5; (-4, 2)
What will be an ideal response?
Which is not a method of reasoning used in geometry?
A. construction B. induction C. intuition D. deduction
Solve the problem.Determine the type of curve given by vertical slices of the graph of the equation 
A. Parabola B. Ellipse C. Circle D. None of these
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution.3x + 5y - 2w=-132x + 7z - w=-14y + 3z + 3w=1-x + 2y + 4z=-5
A. {(-1, - 
, 0, 
)}
B. {(1, -2, 0, 3)}
C. {(
, - 
, 0, 
)}
D. {(
, -2, 0, 
)}