09/05/21

graph the inequality and write it in interval notation

 x ≠ ± 1/4 , 5/9

09/05/21

Ringular has a monthly cellular plan where the customer pays a flat monthly fee and then a cost of money per minute used on the phone.

If the customer uses 230 minutes, the monthly cost is $81.50. If the customer uses 950 minutes, the monthly cost is $261.50. Find a linear model of the form y=mx + b, where x is the number of... more

09/05/21

h(x) = √x ÷(x2+8x+15)

Find the domain of the following function and give the answers in interval notation:h(x) = √x ÷(x2+8x+15)

Help solve this for me

A diesel train made a trip to the outer-most station and back. The trip there took 12 hours and the trip back took 15 hours. It averaged 7 km/h faster on the trip there than on the return trip.... more

09/04/21

48 + .99n = 1.29n

I got the answer by using a calculator but I can't get the same answer on paper.Can you explain it in more detail?

09/03/21

Find the exponential function of the form f(x)=c*a^x that contains the two points shown below: (0,8) and (3,64)

I need this to be answered before 11:00 PM tonight.

09/03/21

Use algebra to find the point at which the line f(x)=-7/2x-19/6 intersects the like k(x)=-6/5x+11/5

Use algebra to find the point at which the line f(x)=-7/2x-19/6 intersects the like k(x)=-6/5x+11/5Write the values of x and y as reduced fractions or intergers, x=y=

Inverse function

It is given that x = 7-h(x)/3-h(x), where h(x) ≠ 0, find h-¹ (2).

09/03/21

PLEASE HELP ME ANSWER:

The function h(x)=−0.03(x−14)2+6 models the jump of a red kangaroo, where x is the horizontal distance traveled (in feet) and h(x) is the height (in feet). When the kangaroo jumps from a higher... more

need help asap!

1. Repeating decimals. a. Is 0.9 equal to 1? Explain your reasoning using complete sentences. b. List another repeating decimal that is equal to an integer. 2. Comparing explicit and recursive... more

09/02/21

Graph the function of a square root

F(x) = sqrt x+2plot four points on the graph of the function

09/02/21

Exponential Growth

  1. Recall, any exponential function with base greater than one eventually is larger than any positive power function. How big is the exponential function f(x)=1.01^x when it finally... more

09/02/21

1 question about Functions

A spherical balloon with radius r inches has volume V(r) = 4/3 𝜋𝑟^3. Find a function that represents the amount of air required to inflate the balloon from a radius of r inches to radius of (r + 1)... more

09/02/21

In a circle of radius 11 cm, an arc of length 23.1 cm is formed by what central angle?

angle measure ≈  radiansangle measure ≈  degrees.

perimeter of a square

The perimeter of a square must be greater than 128 inches but less than 154 inches. Find the range of possible side lengths that satisfy these conditions. (Hint: The perimeter of a square is given... more

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