Determine whether or not the function is one-to-one.f(x) = 6x2 + 7
A. Yes
B. No
Answer: B
Mathematics
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Solve.A 12-foot ladder is leaning against a house with the base of the ladder 5 feet from the house. How high up the house does the ladder reach? If necessary, round to the nearest tenth of a foot.
A. 13 ft B. 10.9 ft C. 7 ft D. 10.6 ft
Mathematics
Solve the problem. Use 3.14 for ?, if necessary.Find the area of the skating rink. Round to the nearest tenth.
A. 1720.3 sq yd B. 1312.3 sq yd C. 860.2 sq yd D. 1268.2 sq yd
Mathematics
Find the specified vector or scalar.u = -11i - 2j, v = 4i + 7j; Find u - v.
A. -16i + 5j B. -15i - 9j C. -7i + 5j D. -17i + 5j
Mathematics
Graph the equation.x = -(y - 2)2 - 1
A. 
B. 
C. 
D. 
Mathematics