Use mathematical induction to prove the formula for every positive integer n. Show all your work.
What will be an ideal response?
or 
.
The formula is valid for n = 1.
2) Assume that 
is true.
By mathematical induction, the formula is true for all positive integers n.
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Graph the solution set.|x| = 9
A. 
B. 
C. 
D. 
Write the expression without using negative exponents, and simplify the resulting complex fraction. Assume that the denominator is not 0.
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A. ?
B. ?
C. ?
D. 
E. ?
Write an equation using the variable x to represent any unknown quantity. Do not solve the equation.The area of a rectangle is 60 square feet. If the length is 5 meters more than the width, write an equation for which the solution is the width.
A. 2x + 2(x + 5) = 60 B. x(x + 5) = 60 C. x2 + 5 = 60 D. x2 + 25 = 60
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -x3
A. 
B. 
C. 
D. 