Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 4t2 - 4t + 5
A. 8t2 - 4t
B. 4t - 4
C. 4t2 - 4
D. 8t - 4
Answer: D
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Which of the following is not true about the comparative size of integers on a number line? ?
A. ?If a> b, then a is to the left of b on a number line. B. ?If a> b, then a is to the right of b on a number line. C. ?A number line extends indefinitely, both left and right. D. ?The ascending order of the integers, 4, -5, 0, -3, and 6 is: -5, -3, 0, 4, and 6. E. ?All negative integers are smaller than any positive integer, even if the absolute value of the negative integer is larger than the positive integer.
Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = (x - 6)2 B. y = x2 - 6 C. y = x2 + 6 D. y = (x + 6)2
Does the system have a unique solution, no solution, or many solutions?
A. Many solutions B. No solution C. A unique solution
Solve the problem.The number of drops of supplement suggested for the Zywek plant is given by the expression: 
w + 50, where w is the size of its base leaf in inches. A Zywek plant gets 71 drops of supplement. Write an equation that will solve for the size of the base leaf in inches.
A. 
w = 50 + 71
B. 
w + 50 = 71
C. 71 + 50 = 
w
D. 71 + 
w = 50