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1) Make the appropriate substitutions in the following integrals without evaluating the integrals.
(a) ∫x3√(x2+2) dx
(b) ∫(x2/(√1-x2)) dx
(c) ∫(x2/x2+2x+2) dx
2) Consider ∫(x/√(x2-2)) dx
(a) Which is the most appropriate technique to evaluate this integral?
(b) Use the indicated technique to evaluate this integral.
(c) Evaluate this integral using a different technique.
3) Evaluate the following integrals using integration by parts.
(a) ∫exsinx dx
(b) 0∫πx2cos(2x) dx
(c) ∫x√(x+2) dx
4) Evaluate the following limits:
(a) limx→0 sinx/ex-1
(b) kimx→0+ sin(x2)/x2
5) Strontium -90 has a half-life of 28 days. Find a formula that gives the amount of strontium left after time t if you start one 200 grams. How long does it take for 80% of the Strontium to decay.
A product is produced at three plants and shipped to four warehouses. Production costs per unit is $50 at Plant A, $20 at Plant B, and $30 at Plant C. The transportation costs per unit, plant capacity, and warehouse demand are given as follows: Wareh..
Find the term to replace the question mark in order to complete the series. 5, 9, 21, 37, 81, ?
A spring has a natural length of 24 cm. If a 28 N force is required to keep it stretched to a length of 36 cm, how much work W is required to stretch it from 24 cm to 32 cm? (Round your answer to the nearest hundredth.)
If we graph this data with Total Cost on the Y axis (Vertical axis) and the Quantity Produced on the X axis (Horizontal axis) what do you think will be the shape of the line
A carpenter is making a brace for a chair. To do so she intersects two pieces of wood to make two sets of vertical angles. The obtuse angles formed are each 145°. What is the measurement of each acute angle formed?
A game consists of drawing 2 cards, one at a time, with replacement, from a standard deck of 52 cards. What is the probability of drawing two kings?
Find the work done pulling the bucket to the top of the well. Your answer must include the correct units. (You may enter lbf or lb*ft for ft-lb.)
Transform the equation to standard form and find the center and radius of the circle:
Supply and demand at $1.40 per bushel, the daily supply for oats is 850 bushels, and the daily demand is 580 bushels. When the price falls to $1.20 per bushel, the daily supply decreases to 350 bushels and the daily demand increases to 980 bushels..
Problem 1: Let f(x) = 5x2 - 7x + 8 and g(x) = 1 - 3x. a. Find the difference function (f - g)(x) and simplify the result. Show work.
A particular spell has a .18 (i.e. 18%) chance to do critical damage. What is the probability that a spell can be cast 10 times in a row without doing critical damage? What is the probability of the sum of two dice equaling an odd number?
the vertices of the trapezoid ar ethe origin along with A (4m, 4n), B (4q, 4n), and C (4p, 0). Find the midpoint of the midsegment of the trapezoid.
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