Find the point of intersection of the tangent lines to the curve r(t) = (sin ?t, 7 sin ?t, cos ?t), at the points where t = 0 and t = 0.5.
What will be an ideal response?
(1, 7, 1)
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Change the order of integration and evaluate the integral.
A. 
?2
B. 
?2
C. 
?2
D. 
?2
A cleaning process removes 5% of a contaminant from a water source each week. There are initially 595 pounds of the contaminant in the water source. ? A: Write a formula that gives the amount C, in pounds, of the contaminant in the water source after t weeks. ? B: How much contaminant remains after 9 weeks? ? C: Make a graph that shows the amount of contaminant over the first 20 weeks. ? D: When will the contaminant level reach 206.33 pounds? ? Round your answers to two decimal places if necessary. ?
What will be an ideal response?
Solve.
- 
= 
A. 
B. 6
C. 
D. 
Find the remaining zeros of f(x) given that c is a zero. Then rewrite f(x) in completely factored form.f(x) = x4 + 12x2 - 64; c = 2 is a zero
A. -4; f(x) = (x - 4)(x + 4)(x2 + 4) B. -2, -4, 4; f(x) = (x - 2)(x + 2)(x - 4)(x + 4) C. -2; f(x) = (x - 2)(x + 2)(x2 + 16) D. 2; f(x) = (x - 2)2(x2 + 16)