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3 years ago

Using intercepts and the maximum, find an equation for the graph shown.

Mathematics

2 answers:

madreJ [45]3 years ago

3 0

Answer:

It's D

Step-by-step explanation:

The x intercepts ( the zeroes) are -1 and 3 so we can write it as

f(x) = a(x + 1)(x - 3) where a is some constant.

The y intercept is at (0, 9) so substituting:-

9 = a *(0 + 1) * (0 -3)

9 = -3a

a = -3 so we have:-

f(x) = -3(x + 1)(x - 3)

= -3(x^2 - 2x - 3)

= -3x^2 + 6x + 9. (answer)

Viktor [21]3 years ago

3 0

Answer:

f(x) = -3x2 + 6x + 9

x-intercepts: x = -1 and x = 3

y-intercept: y = 9

maximum value: y = 12

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A company manufactures a 14-ounce box of cereal. Boxes are randomly weighed to ensure the correct amount. If the discrepancy in

Stolb23 [73]

Answer:

Answer is B on Edge

F(x)=14-x

Step-by-step explanation:

8 0

3 years ago

For sin2x+cosx=0, use a double-angle or half-angle formula to simplify the equation and then find all solutions of the equation

Archy [21]

Answer:

Step-by-step explanation:

Given is a trignometric equation in x, as

$sin2x+cosx=0$

TO make it in one trig ratio, we can replace sin2x as 2sinx cosx

WE get now

$2sinxcosx+cosx=0\\$

$cosx(2sinx+1)=0\\cosx=0, sinx =-0.5\\$

Principal solution is $x=\frac{\pi}{2} , \frac{-\pi}{6}$

x = ±π/2 + 2kπ, where k is any integer or

x=±pi/6 +k pi, where k is any integer.

General solution is

4 0

3 years ago

A grid shows the positions of a subway stop and your house. The subway stop is located at (7, -6) and your house is located at (

Yuri [45]

So the distance between subway stop and house is 19 units

Step-by-step explanation:

The distance formula will be used to calculate the distance between home and subway.

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Here (x1,y1) are the coordinates of first point

and

(x2,y2) are the coordinates of second point

Given

(x1,y1) = (7, -6)

(x2,y2) = (-9,5)

Putting the values in the formula

$d=\sqrt{(-9-7)^2+(5-(-6))^2} \\=\sqrt{(-16)^2+(5+6)^2} \\=\sqrt{256+(11)^2}\\=\sqrt{256+121}\\=\sqrt{377}\\=19.41\ units$

Rounding off to nearest unit gives us 19.

So the distance between subway stop and house is 19 units

Keywords: Distance, distance formula

Learn more about distance at:

#LearnwithBrainly

6 0

3 years ago

The Question is: Write 1/3 and 3/4 as a pair of fractions with a common denominator

cupoosta [38]

1/3*4= 4/12
3/4*3= 9/12
Answer is 4/12 and 9/12.

5 0

3 years ago

How do i solve this?? lol

Nana76 [90]

Answer:

$w = 5\pi$

Step-by-step explanation:

Not sure if it wants an integer as an answer but:

Step 1 - Move the negative 3π to the right.

$-3\pi + w = 2\pi \\w = 2\pi + 3\pi$

Step 2 - Simplify by adding together

$w = 5\pi$

Hope this helps!

7 0

2 years ago

Read 2 more answers