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4 years ago

Use the graph to complete the statements.

Mathematics

2 answers:

butalik [34]4 years ago

7 0

Answer:

Use the graph to complete the statements.

The period is 2pi/3

The amplitude of the corresponding cosine function is

The vertical shift of the graph of the parent secant function is

1 unit down.

The graph is of the function 2sec(3x)-1

Step-by-step explanation:

8090 [49]4 years ago

6 0

Answer:

I don't question the previous answer.

Step-by-step explanation:

This is from edge 2020....

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Chiquita and The Rhonda are each building a snowman. Rhonda tells Chiquita that she is making each of her 3 balls of snow 20% sm

Sergio [31]

10.2 inches

Step-by-step explanation:

The initial diameter of the base ball is 20 inches

Reducing this diameter by 20% means; (100-20)/100 * 20

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80/100* 16 = 12.8 inches

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4 years ago

How do you subtract and add integers

gtnhenbr [62]

<span>1. Add a positive integer by moving to the right on the number line.
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4 years ago

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DaniilM [7]

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3 years ago

Which expression can be used to model the phrase "the sum of three and a number"?

NeX [460]

The sum of three and a number is 3+x

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4 years ago

Show all of your work, even though the question may not explicitly remind you to do so. Clearly label any functions, graphs, tab

natta225 [31]

Answer:

(a) at t=2, the particle is moving toward the origin

(b) a(t) = 70(8 -9t^2)/(3t^2 +8)^3; a(2) = -0.245

Step-by-step explanation:

(a) The function x(t) is negative for -3 < t < 3, so at t = 2, the particle is to the left of the origin.

The velocity of the particle is given by the derivative of the position function:

$x'(t)=\dfrac{(3t^2+8)(2t)-(t^2-9)(6t)}{(3t^2+8)^2}=\dfrac{70t}{(3t^2+8)^2}$

Then, at t=2, the expression is positive, indicating the particle is moving toward the origin.

(b) The acceleration is the derivative of the velocity, so is ...

$a(t)=\dfrac{70(3t^2+8)^2-(70t)(12t)(3t^2+8)}{(3t^2+8)^4}=\dfrac{70(3t^2+8-12t^2)}{(3t^2+8)^3}\\\\\boxed{a(t)=\dfrac{70(8-9t^2)}{(3t^2+8)^3}}$

Then at t=2, the acceleration is ...

a(2) = 70(8 -9·4)/(3·4+8)^3 = 70(-28)/8000

a(2) = -0.245

(c) As t gets large, the value of x(t) approaches t^2/(3t^2) = 1/3.

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4 years ago