10/23/18

Hard Question HELPP

Construct a function that has the same slope at x=1 and x=2. Then find two points where y=x*4-2x*2 has the same tangent line.(draw the graph)

10/21/18

question listed below

Jon recently drove to visit his parents who live600  miles away. On his way there his average speed was 14 miles per hour faster than on his way home (he ran into some bad weather). If Jon spent a... more

10/19/18

I need help in this pattern of numbers to find the next number

Find the next number pattern: 2, 22, 29, 31 & __

10/16/18

Math Word Problem 15

The product of two consecutive integers is nine less than nine times there sum. find the integers

10/13/18

how many DVD/Blu-ray players were produced?

A certain electronics manufacturer found that the marginal cost C to produce x DVD/Blu- ray players can be found using the equation C=0.03x2−7x+700. If the marginal cost were $361, how many... more

10/11/18

If f(1)=2f(1)=2 and f(n)=f(n-1)+3f(n)=f(n−1)+3 then find the value of f(5)f(5).

i need help on this for my dealtamath homework

10/10/18

Rate and Goal Amount

So I’m trying to count to 8000. If I count by fours but I count 5 times in 7.12 seconds how long will it take to count to 8000?

10/09/18

Consider the polynomial (x-a)(x-b) and the real number line is shown below. For each of the three subintervals of the real number line, write the sign of each factor and the sign of the product.

Consider the polynomial (x-a)(x-b). For each of the three subintervals of the real number line, write the sign of each factor and the sign of the product.

10/09/18

At the beginning of 2006 Facebook membership was 5.5 million, and at the beginning of 2008 the membership had increased to 58 million.

(a) Assume that the membership increases exponentially, and find an exponential growth model for Face- book membership. Let t be the time in years with t = 0 in 2006 and F(t) the number of... more

10/09/18

Solve the following equations

(a) x − 2 = 3 x (b) (1−x)(1+x)= 1 2 (c) 120e−4x = e2x (d) 3−ln(x+5) = 0

10/09/18

The solid waste generated each year in the cities of the US is increasing. The solid waste generated, in millions of tons, was 205.2 in 1990 and 220.2 in 1998.

(a) Assume that the amount of solid waste generated by US cities is a linear function of time. Find a formula for this function by finding the equation of the line through these two points.... more

10/09/18

A 30 meter borehole is to be drilled. The cost of drilling is $20 for the first meter, and the cost for drilling each additional meter is $3 more than that of the preceding meter.

(a) What is the drilling cost for the 30 meter deep borehole? (b) If you have only $1000 available, how deep a borehole can you afford?

10/08/18

find the relative maxima of f(x)=cos ^2(3x) on the interval (0,4.189)

apply the first derivative test

10/08/18

Solve the composition

Part A: Let f(x)= 4- (minus) the square root of x^2+1 and g(x)=x-7 then f(g(x))=?   Part B: leave answer in exact (non-decimal) form f(g(x)).

10/08/18

which side of triangle VSY is the base?

Triangle VSY is isosceles and its perimeter is less than 45. segment sv is 10. segment vy is x+7. segment sy is 2x-8.

10/08/18

y = 3x^5 − 5x^3 + 4, [−3, 3] by [−5, 10], local minimum= ( ?, ?) local maximum = ( ?, ?)

The domain and range was (- infinity, infinity), so i thought that would be the local min and max but was not. I appreciate the help.

Determine the type of conics each equation represents using the discriminant.

1. 2x2-4xy+8y2+7=02. 2xy-x+y-3=03.x2-y2+4=0

10/08/18

Find the speed of the plane and the speed of the wind

A plane flies 960 miles between town a and town z. When it flies from town A to Z it has a tailwind and the flight takes 8 hours while the flight in the opposite direction takes 12 hours. Find the... more

item sold per week for $. Decrease price and more items sold. How many items to sell to maximize revenue

A skateboard shop sells about 50 skateboards per week for $70.  For each $1 decrease in price, about 1 more skateboard per week is sold.  How many skateboards does the shop need to sell to maximize... more

Probability of failure in Phase I = 50%, . phase II = 30% and phase III = 40%: So how many drugs will successfully

A pharma company tests 100 drugs on human volunteers. Probability of failure in Phase I = 50%, . phase II = 30% and phase III = 40%: So how many drugs will successfully    Need step by step... more

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