Write the repeating decimal number as a fraction.0.71717171 . . .
A. 
B. 
C. 
D. 
Answer: D
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 4, u '(1) = -5, v(1) = 7, v '(1) = -3.
(3v - u) at x = 1
A. 17 B. -14 C. -4 D. 25
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.Show that the formula 
obeys Condition II of the Principle of Mathematical Induction. That is, show that if the formula is true for some natural number k, it is also true for the next natural number 
. Then show that the formula is false for 
.
What will be an ideal response?
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Solve the system of equations using substitution.
A. x = -4, y = 5; x = -5, y = 4 or (-4, 5), (-5, 4) B. x = 4, y = -5; x = 5, y = -4 or (4, -5), (5, -4) C. x = 4, y = 5; x = 5, y = 4 or (4, 5), (5, 4) D. x = -4, y = -5; x = 5, y = 4 or (-4, -5), (5, 4)