176 Answered Questions for the topic Business Calculus

Business Calculus

10/21/14

find the derivative of the function
f(x) = ln( √x + 1)
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Business Calculus

10/21/14

Find the derivative of the logrithmic function
g(x) = ln(2x + 9)
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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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