174 Answered Questions for the topic Business Calculus

Business Calculus

10/21/14

Differentiation of Logarithmic Functions
f(x) = 8 ln(x)
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Business Calculus

10/19/14

COmpound interest
The Estradas are planning to buy a house 3 years from now. Housing experts in their area have estimated that the cost of a home will increase at a rate of 4%/year during that 3-year period. If this... more
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Business Calculus

10/19/14

COmpound interest
Find the interest rate needed for an investment of $9,000 to grow to $12,000 in 9 years if interest is compounded continuously. (Round your answer to the nearest hundredth of a percentage point.)
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Business Calculus

10/19/14

Compond Interest
How long will it take for an investment of $36,000 to grow to $39,800 if the investment earns interest at the rate of 6%/year compounded annually?
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Business Calculus

10/19/14

Compond Interest
Find the present value of $126,488.02 due in 9 years at an interest rate of 11%/year compounded continuously. 
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Business Calculus

10/19/14

Differentiation of Exponential Functions
f(x) = 3e^x − x^2
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Business Calculus

10/19/14

Differentiation of exponential functions
f(x) = (7 − e^−4x)4
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Business Calculus

10/19/14

Differentiation of exponential functions
f(x) = e^(x2 − 9)
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Business Calculus

10/19/14

differentation of expotential functions
Find the derivative of the function.f(x) = x/e^x
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Business Calculus

10/19/14

differentiation of expotwntial functions
Find the derivative of the function.f(u) = (u^7)(e^-u)
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Business Calculus

10/17/14

Compound Interest
Diego deposited a certain sum of money in a bank 2 years ago. If the bank had been paying interest at the rate of 6% compounded continuously and he has $12,000 on deposit today, what was his... more
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Business Calculus

10/14/14

Question is in description
For its beef stew, Betty Moore Company use aluminum containers that have the form of right circular cylinders. Find the radius and height of a container if it has a capacity of 36in^2 and is... more
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Business Calculus

10/14/14

the question is in my description, it would not fit
An apple orchard has an average yield of 36 bushels of apples/tree if tree density is 22 trees/acre. For each unit increase in tree density, the yield decreases by 2 bushels/tree. How many trees... more
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Business Calculus Intervals

10/02/14

Help with business calc!
Suppose g'(x)= x^4 +x^2 +1. Find the x values in the interval [-3,4] where g(x) takes its minimum.    The answer is at x=-3 but why? I'm not sure how to get this.
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Business Calculus Calculus Related Rates

10/02/14

Business Calc Question!!!!
Suppose the quantity demanded weekly of Super Titan radial tires is related to its unit price by the equation, p+x^2 =144 where p is unit price measured in dollars and x is measured in units of a... more
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Business Calculus

09/24/14

find horizontal asymptotes
find horizontal asymptotes               2 f(x)= 5x     -6x- 6 ___________________=              2         4x     -7+4               2 F(x)=x +5x-1 _______________=        ... more
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Business Calculus

09/24/14

solve for x
                       x 700=500(1.04)
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Business Calculus

09/23/14

log7x+log7(x-2)=log7 24
log x+log (x-2)=log 24     7       7             7
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Business Calculus

09/23/14

f(x)=2(7-x)/x-2 find domain? vertical asymptope? y-int? x-int? horizontal asymptopes? range?
2(7-x) ______ x-2
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Business Calculus

09/23/14

f(x)=-x(x-2)(x-4)
find x-intercept and y-intercepts
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08/15/14

Find the consumer and producer surplus for an item
Supply: p =5q2   Demand: p = 4800 - q2/3   I figured out price is p= 4500 and q = 30 (at equilibrium) now how do you solve for the surplus of both. I know it's a type of interval question but... more
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Business Calculus College Algebra Algebra Equation

08/15/14

So my equation is 9 = 2.0 + 2.768 ln(x) I'm not sure what steps to take.
subtract 2 from both sides 7 = 2.768 ln(x)   Then I just go blank I raised it to e after also adding 2.768 but I'm pretty sure that's not correct. 4.232 = ln (x) e^4.232 = x   I'm so sure... more
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Business Calculus College Algebra Business Algebra

08/15/14

The equation g(x) = 2.0 +2.768 ln(x) gives a company's revenue, in billions of dollars, with x representing years after 2010.
According to the equation, when will revenue reach 9 billion?
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Business Calculus Algebra Business Algebra

08/15/14

Value(s) of x where the value of y=xLn(2x) is an extremum. Round x to 4 decimal places. State whether the extremum is max or min.
I'm confused on how to set this up. Professor had said to take the inverse function of ln(x)  which would be e^x but what do I do with that 2 or that extra x?
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