Consider the function f(x) below. Over what open interval(s) is the function decreasing and concave up? Give your answer in interval notation. Enter Øif the interval does not exist. Provide your answer below: f(x) = +4 3 +4x²+ 15x-1

Q: Find the intervals on which the function is increasing or decreasing. f(x) = 2x³-6x²2-48x + 12 List…

A: The given function is: fx=2x3-6x2-48x+12. To Find: The intervals on which the function is increasing…

Q: Simplify and state the domain for the function. f(x)=-3x2-9x+30/x-2

A: f(x)= -3x2-9x+30x-2 ⇒f(x)= -3x2x-2-9xx-2+30x-2 ⇒f(x)= -3x3-3x2+18x+30x-2

Q: the amount of money you collect after washing x cars at a car wash and asking for donations is…

A: Given y=9x+18

Q: Simplify the function. f(x) =  x2 + 5x − 24/x2 − 9   List any restrictions on the domain. (Enter…

A: f(x)=x2+5x-24x2-9

Q: Write the function y = x2 + 3x – 3 in function notation and find f (a + 2).

A:

Q: Find the domain of the function f(x) = – 2x? – 5x 1 Use interval notation to express your answer.

A:

Q: Find f(a+h) for the given function. Enter the simplified expression. Do not insert spaces in your…

A:

Q: A farmer wishes to fence the perimeter of a rectangular lot with an area of 1600 square feet. if the…

A:

Q: Let f(x) = 10 − 3x2. Find each function value. a. f(2)   b. f(−4)   c. f(x − 1)

A: Since, we have f(x)=10-3x2(a)f(2)=10-3(2)2 ⇒f(2)=10-3(4)=10-12⇒f(2)=-2

Q: Evaluate the function. f (x) = 3x? – 3x + 1 - Find f(-2) Answer: Submit Answer

A: Just substitute -2 in place of x everywhere in f(x) and you are done.

Q: Zoe has 24 feet of fence available to build a rectangular fenced in area. If the width o the…

A:

Q: Evaluate the function. f(x) = 3x + 5x - 14 Find f(-9)

A:

Q: A 1000-square-foot rectangular plot of land is going to be divided into three equal-sized, adjacent…

A: The area of the plot is given. Using this you can find y in terms of x. Now you need to find the…