if f(x)=x^2+2x-3 and g(x)=x^2-9, find (f/g)(4) and (f+g)(4)

if f(x)=x^2+2x-3 and g(x)=x^2-9, find (f/g)(4) and (f+g)(4)

A.The graph of f(x + 2) is a horizontal shift of f(x) = x^3 two units to the left. B.The graph of f(x + 2) is a horizontal shift of f(x) = x^3 two units to the right. C.The graph of...

What is the number

A culture started with 2,000 bacteria. After 4 hours it grew to 2,600 bacteria. Predict how many bacteria will be present after 17 hours. Round your answer to the nearest whole number. (Note: When...

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3. For a given population, the mean is 45 and the standard deviation is 4.1 a) Draw the Normal model for distribution to the right. Put the appropriate values on x-axis to 3 standard deviations...

roots of x^3+6x^2+4x+2=0 doubled equals the coefficients in x^3+ax^2+bx+c=0

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Ollie sells lemonade. The profit p, in dollars is a function of the number of cups of lemonade,c, that he sells. The function that represents this relationship is p(c) = 3g-15. If Ollie made a profit...

A tank is 7/12 full of water. After 50 litres is used out of the tank it is only half full. What is the capacity of the tank in litres? please show working, thank you.

forty liters of a 60% disinfectant solution are to be mixed with a 20% solutionto dilute it to a20% solution. How much of the 10% solution must be used

If there is 1 case of Ebola and 30 cases of SARS what are the number of cases for both on day 10 and day 53?

Step 1 of 2 : Set up the proportion for the word problem. Use x as the unknown variable.

Laura is a software saleswoman. Her base salary is , and she makes an additional for every copy of English is Fun she sells. Let represent her total pay (in dollars), and let represent...

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Presently doing algebra equations and expressions not sure as to how to begin to answer the question if i should use x as an unknow etc

Store sells 7 coats & 12 umbrellas for $399.45. Later they sell 3 coats & 25 umbrellas for $503.80. If all coats are the same price, and all umbrellas are the same price, what is the price...