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3 years ago

15

Use front end estimation with adjustment to estimate each difference..5780-3962

1 answer:

inessss [21]3 years ago

4 0

Idk what to do on yalls problems

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The function f(t) = 5 cos(pi over 6t) + 7 represents the tide in Stanley Sea. It has a maximum of 12 feet when time (t) is 0 and

Juliette [100K]

The function for the height is
$f(t) = 5cos( \frac{ \pi }{6} t)+7$

f(0) = 5 cos(0) + 7 = 5 + 7 = 12 (verified)
The period is T = 12 hours.

After 4 hours (t = 4), the height is
$f(4) = 5cos( \frac{ 4\pi }{6} )+7 = 5*(-0.5)+7=4.5$

A graph of f(t) confirms the answer.

Answer: 4.5 ft

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3 years ago

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Alik [6]

Answer:

3 is not a function because you cant have the same input with different outputs

4 is a function because each input has one output

Step-by-step explanation:

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2. Mike buys a large goldfish for $22 and food for his new friend

zloy xaker [14]

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27$

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2 years ago

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F(x)=3x^2-4 and g(x)=x+2 find f-g (x)

ratelena [41]

Answer:

<h2>(f - g)(x) = 3x^2 - x - 2</h2>

Step-by-step explanation:

Here we subtract g(x)=x+2 from f(x)=3x^2-4

Properly labeled, we get:

(f - g)(x) = 3x^2-4 - (x+2) (Use of parentheses is essential here.)

or

(f - g)(x) = 3x^2 - x - 2

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3 years ago