3 years ago

Can someone please help me ASAP (radical functions)

Mathematics

1 answer:

Afina-wow [57]3 years ago

6 0

Answer:

Step-by-step explanation:

To find the y- intercept, let x = 0 in the equation

Given

f(x) = - $\sqrt{5x+2}$ - 1, then

f(0) = - $\sqrt{5(0)+2}$ - 1 = - $\sqrt{2}$ - 1 ← y- intercept,

(0, - $\sqrt{2}$ - 1 ) ← coordinates of y- intercept

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2 years ago

HELP PLEASE!!!!!! I need help Urgent Help

gavmur [86]

This is just a porportion. So if 250 meters is 1 meter than: 250/1

And it wants to know the height. So we have the first number but not the second. So we'll use x: 212/x

Set them equal to each other 250/1=212/x

Cross multiply: 212=250x

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So the height of the model, to the nearest 10th would be 0.8 meters.

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