taramayer92 taramayer92

18-01-2022
Mathematics

contestada

Identify the interval(s) on which the function y = x^2-3x-40 is positive

Respuesta :

jen4755 jen4755

18-01-2022

Answer:

See below

Step-by-step explanation:

x^2-3x-40 Factor

(x - 8) (x + 5)

The x intercepts are -5 and 8

(negative infinity, -5)

(8, positive infinity)

Answer Link

Otras preguntas

Which type of essay does not require that you examine and analyze secondary source documents?

what is the square root mean

if f(x)=2x-9, find f(p) and f(x+h)

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale

Joe has 16 more baseball cards than football cards. He also noticed that of the total he has three times as many baseball cards as football cards. How many foot

Solve the following exponential equations 4^x=1024

five years ago, my grandfather was five times as old as I was. Three years from now, my grandfather will be three times as old as I will be. how old am I now?

find the equation of the line that passes through (-2,3) and (4,-1). the formula I believe is y-y1 = y2-y1/x2-x1 (x-x1) I'm not quite sure as to how to set that

a rectangle has a perimeter of 46cm and an area of 120cm squared. find its dimensions by writing an equation and using the quadratic formula to solve it. Thanks

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale