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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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. -5x + 8y + 4z = 7 B. -5x - 8y + 8z = 7 C. -5x - 8y + 8z = -5 D. -5x + 8y + 4z = -5
Solve the problem.In how many ways can you answer the questions on an exam that consists of 5 multiple choice questions, each of which has 4 answer choices, followed by 5 true-false questions?
A. 615,873 B. 20,318 C. 157,598 D. 32,768
Find the remaining side of a 45° - 45° - 90° triangle if the shorter sides are each 
.
?
A. 
B. 
C. 
D. 
E. 
Graph the system of linear inequalities.y ? 3x - 2y ? -3x + 10x ? 7
A. 
B. 
C. 
D. 