Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: B
Mathematics
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Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object reach the ground?
A. -2 sec B. 160 sec C. 2 sec D. 5 sec
Mathematics
Find the unit tangent vector for the curve given by r(t)= Figure 3.png)
 multiple choice.png)
Mathematics
Solve.6m-2 - 15m-1 + 6 = 0
A. 
, 2
B. - 2, - 
C. 2, 
D. - 
, -2
Mathematics
Solve the problem.The width of a rectangle is x - 
feet and its area is 9x3 + 12x2 + 15x - 18 square feet. Write a polynomial that represents the length of the rectangle.
A. 9x2 + 18x - 27 ft B. 9x2 + 6x + 11 ft C. 9x2 + 18x + 27 ft D. 9x2 - 18x + 27 ft
Mathematics