ANSWER ASAP RIGHT ANSWER = BRAINLIST 100 POINTS

Mathematics

1 answer:

shtirl [24]3 years ago

7 0

I HOPE THE ABOVE PIC WILL HELP YOU.

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Use these functions to answer the questions.

Elenna [48]

Part A
We have $f\left(x\right)=\left(x+3\right)^2-1$ . To solve for the x-intercept, we set f(x) equal to 0. That is
$\left(x+3\right)^2-1=0$

$\left(x+3\right)^2=1$

Take the square root of both sides,
$x+3=1$

$x=-2$

The x-intercept is (-2,0).

To solve for the y-intercept, we set x=0. That is
$y=\left(0+3\right)^2-1=3^2-1=9-1=8$

The y-intercept is (0, 8)

The coordinates of the optimum point are actually the vertex which can be easily seen from the vertex form equation given above. The minimum point is (-3, -1).

Part B.
We have $g\left(x\right)=-2x^2+8x+3$ .
Factor out -2
$=-2\left(x^2-4x\right)+3$

Complete the square
$=-2\left(x^2-4x+4\right)+3-2\left(4\right)$

Simplify
$g(x)=-2\left(x-2\right)^2-5$

Part C
We have $h\left(t\right)=-16t^2+28t$ .
The maximum height is 12.25 feet after 0.875 seconds from the time of the jump. The dolphin will be back in the water after 1.75 seconds. The graph of the jump is shown in the photo.

4 0

4 years ago

(please zoom / zoom out if needed to see question. (: )

Law Incorporation [45]

In this right triangle, you are given the measurements for the hypotenuse, c, and one leg, b. The hypotenuse is always opposite the right angle and it is always the longest side of the triangle. To find the length of leg a, substitute the known values into the Pythagorean Theorem. Solve for a2.

take 26 and 22 add them together. then dived by 2

7 0

4 years ago

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Use a series to express the following number as a ratio of integers: 0.73737373

DENIUS [597]

$x=0.73737373...\ \ \ \ |multiply\ both\ sides\ by\ 100\\\\100x=73.737373...\\\\100x-x=73.737373...-0.737373...\\\\99x=73\ \ \ \ |divide\ both\ sides\ by\ 99\\\\x=\dfrac{73}{99}\\\\Answer:\boxed{0.737373...=\frac{73}{99}}$

4 0

3 years ago

Read 2 more answers

Find the distance of PQ P(0,4) and Q(10,-6)

solong [7]

Answer:

PQ ≈ 14.14 units

Step-by-step explanation:

calculate the distance d using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$