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3 years ago

Find the range of the parent function below y=x^2

1 answer:

6 0

you don't show the graph, but graphing y=x^2 it is a U shaped line that starts at (0,0) and the lines go upwards on both sides of the Y axis,

This means all real numbers above 0 and 0 will solve it

so the range is y≥0

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You and another person are sunbathing on the beach near a lifeguard station. The other person chooses a spot that is the same di

Schach [20]

Answer: 26.8 feet

Step-by-step explanation:

In the figure attached you can see two right triangles triangle ABD and a triangle ACD.

You are located at point B and the other person at point C.

The approximate height of the lifeguard station is x.

Keep on mind that:

$tan\alpha=\frac{opposite}{adjacent}$

Therefore:

For the triangle ABD:

$tan(36\°)=\frac{x}{DC+11}$ [EQUATION 1]

For the triangle ACD:

$tan(46\°)=\frac{x}{DC}$ [EQUATION 2]

Solve from DC from [EQUATION 2]:

$DC=\frac{x}{tan(46\°)}$

Substitute into [EQUATION 1] and solve for x:

$tan(36\°)=\frac{x}{(\frac{x}{tan(46\°)}+11)}\\tan(36\°)(\frac{x}{tan(46\°)}+11)=x\\11*tan(36\°)=x-\frac{xtan(36\°)}{tan(46\°)}\\7.991=0.298x$

$x=26.81ft$ ≈26.8ft

7 0

3 years ago

Please help, I’m stuck on this one question.

Mamont248 [21]

Answer:

D the last answer

Step-by-step explanation:

As X approaches positive or negative infinity, f(x) would approach negative infinity.

6 0

3 years ago

Thank you if you do help!:,)

egoroff_w [7]

Answer:

Step-by-step explanation:

PEMDAS

8 + 2^3 x 5

8 + 8 x 5

8 + 40

3 0

3 years ago

Solve for x 8x+1>−31

slavikrds [6]

$8x + 1 > - 31 \\ 8x > - 1 - 31 \\ 8x > - 32 \\ x > \frac{ - 32}{8} \\ x > - 4$

3 0

3 years ago

Which equation represents the line shown on the coordinate grid below?

kondor19780726 [428]

I thinks it’s A or C )) but it’s not b or d, I’m pretty sure. So imma go with A or c

5 0

2 years ago