maryeverdon

4 Questions
0 Answers

0

535

1

+16

Finding the rational function for this graph

I got 2(x-2)/(x+2)(x-4) but when I plugged it in, it wasn't the same graph.

The characteristics I got were read more ..

maryeverdon Nov 10, 2020

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665

1

+16

Need help on synthetic division of polynomial functions: (9x^3-9x^2+18x+5)/(3x-1)

I got 9x^2-6x+16 +10.333/3x-1 but I'm not sure about the 10.333 part.

maryeverdon Nov 5, 2020

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639

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+16

[Grade 12 Pre-Calculus: Polynomial Functions]

An open box is made from a piece of rectangular cardboard of 12cm by 15 cm, by cutting square corners, x cm by x cm, and then folding up the sides. What size of each square must be cut to have a volume of 162 cm^3, where x is greater or equal to 2?
read more ..

maryeverdon Nov 4, 2020

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1861

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+16

Pre-Calculus 12: Composite Functions

The radius, r, in inches, of a spherical balloon is related to the volume, V, by r(V) = cubed root(3V/4pi). Air is pumped into the balloon, so the volume after t seconds is given by V(t) = 10 + 20t.

a. Find the read more ..

maryeverdon Sep 19, 2020