11/12/20

If f(x)=-2x^(2)-5x+4, then find: 3[f(2)]

Which is the correct answer for the answer below?*

Y=√x+2 is a Function, one-to-one, or neither?

11/11/20

How do I do this? (8:1); 2y+4x=12

Simplifying Expressions

How would I go about simplifying this? t2 - 5t + 6 / t2 - 49 / t2 -4t + 4 / t2 + 7t

11/11/20

Use Rational exponents to write as a single radical expression. Assume that all variables represent positive real numbers

Use Rational exponents to write as a single radical expression. Assume that all variables represent positive real numbers. I have tried to find steps for this equation, but have only found the... more

point-slope and slope - intercept form

11/11/20

Math question help

The strength of a beam is directly proportional to its width and the square of its depth but inversely proportional to its length. A beam that is 5 inches wide, 6 inches deep, and 10 feet long can... more

11/11/20

What are the dimensions of such a rectangle with the greatest possible area?

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=9−x2. What are the dimensions of such a rectangle with the greatest possible area?width=height=

11/11/20

What is the maximum area that can be enclosed with 795 ft of fencing?

A rectangular storage area is to be constructed along a side of a building. A security fence is required along the remaining three sides of the area. What is the maximum area that can be enclosed... more

11/11/20

Algebra homework help

The current of a river is 2 miles per hour. A boat travels to a point 15 miles upstream and back in 4 hours. What is the speed of the boat in still water?

Leila is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.

Company A charges $102 and allows unlimited mileage. Company B has an initial fee of $75 and charges an additional $0.60 for every mile driven. For what mileages will Company A charge less than... more

11/11/20

Solve Equation using Quadratic Formula

Solve the equation using Quadratic Formula and a Calculator. Find the solutions in the interval [o,2pi). Round answers to 4 decimal places. sin^2 x - sin x -1 = 0

Find the slope of the tangent line when  for the polar graph r = 1.

Find the slope of the tangent line when  for the polar graph r = 1. (5 points)answer choices 1 -1 0

11/11/20

solve the problem

The size P of a certain insect population at time t​ (in days) obeys the function P(t)=500e^0.09t.​(a) Determine the number of insects at t=0 days.​(b) What is the growth rate of the... more

Math Hw work system of linear equations word problem

Jacob is a high school basketball player. In a particular game, he made some two point shots and some three point shots. Jacob made a total of 14 shots altogether and scored a total of 36 points.... more

11/11/20

Find the equation of the line passing through the given points. Express the equation in slope-intercept form. (5, 5) and (–2, –2) *

Find the equation of the line passing through the given points. Express the equation in slope-intercept form. (5, 5) and (–2, –2) *

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