3 years ago

Please help me quick ASAP!!!!!!!!!! Help me ith all the questions 1-5 PLEASE!!!!!!

Mathematics

2 answers:

elixir [45]3 years ago

6 0

C) Length of 7 and Width of 4. This is because 14 x 2 is 28, and 7 x 4 is 28 as well.

I hope this Helps!

Ugo [173]3 years ago

5 0

1. C because when multiplied they equal 28
2. D because rectangle z 4+4+9+9 = 26
3. D they have the same perimeter but 9x2 doesn't equal 7x4
4. B because 7x7 is 49 and its greater than all the others
5. B because 7x6 doesnt equal 30 but 7+7+6+6= 26

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Which is the graph of the cube root function f(x) = RootIndex 3 StartRoot x EndRoot?

lara [203]

Answer:

<h3>On a coordinate plane, a cube root function goes through (negative 8, negative 2), has an inflection point at (0, 0), and goes thorugh (8, 2).</h3>

Step-by-step explanation:

$f(x)=\sqrt[3]{x}\\\\f(-8)=\sqrt[3]{-8}=-2\to(-8,\ -2)\\\\f(0)=\sqrt[3]{0}=0\to(0,\ 0)\\\\f(8)=\sqrt[3]{8}=2\to(8,\ 2)\\\\\\\sqrt[3]{a}=b\iff b^3=a\\\\\text{Therefore:}\\\\\sqrt[3]{-8}=-2\ \text{because}\ (-2)^3=-8\\\sqrt[3]0=0\ \text{because}\ 0^3=0\\\sqrt[3]{8}=2\ \text{because}\ 2^3=8$