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4 years ago

11

Can function notations be simplified?

1 answer:

olya-2409 [2.1K]4 years ago

3 0

Step-by-step explanation:

it's not same but u can find your answer through it

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ABC Car Share Inc. offers car sharing for a $199 yearly fee plus $14/hr for the use of its car share. What equation models the t

Katarina [22]

Total cost equals the yearly fee price plus $14 times number of hours.

T= total cost
n= number of hours

Equation:
T= $199 + $14n

Hope this helps! :)

6 0

3 years ago

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Joe bought 6 packages of envelopes,each package contains 125 envelopes. How many envelopes did he buy

klemol [59]

6 packages, 125 envelopes in each one. How many in total.

We need to multiply 6 x 125.

That answer would be 750.

He bought 750 envelopes.

Glad I could help, and good luck!

8 0

4 years ago

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Given:f(x)=2x+5 and g(x)=

zhannawk [14.2K]

what is the value of g(x)

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4 years ago

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A clothes shop has some special offers. T-shirts are buy one get one free and jumpers are 3 for 2. The normal price of a T-shirt

zavuch27 [327]

Answer:

£53.40

Step-by-step explanation:

The shop has an offer where you:

buy 1 T-shirt and get 1 free

buy 3 jumpers and get 2 free

This means if a person pays for 1 T-shirt, he/she gets two and if he/she pays for 3 jumpers, he/she gets 5.

Therefore, to buy 4 T-shirt, you have to pay for 2 and to buy 5 jumpers, you have to pay for 3.

1 T- shirt costs £4.80, therefore, 2 will cost:

2 * 4.80 = £9.60

1 jumper costs £14.60, therefore, 3 will cost:

3 * 14.60 = £43.80

Therefore, the customer will sped a total of:

43.80 + 9.60 = £53.40

The customer will pay £53.40 to get 5 jumpers and 4 T-shirts using this offer.

7 0

3 years ago

An article reports the following data on yield (y), mean temperature over the period between date of coming into hops and date o

enot [183]

Answer:

$y = 415.113 -6.593 x_1 -4.504 x_2$

Step-by-step explanation:

Given

$x_1: 16.7\ 17.4\ 18.4\ 16.8\ 18.9\ 17.1\ 17.3\ 18.2\ 21.3\ 21.2\ 20.7\ 18.5$

$x_2: 30\ 42\ 47\ 47\ 43\ 41\ 48\ 44\ 43\ 50\ 56\ 60$

$y: 210\ 110\ 103\ 103\ 91\ 76\ 73\ 70\ 68\ 53\ 45\ 31$

Required

Use R code to determine the regression equation

$y = b_o + b_1x_1 + b_2x_2$

First, write the following code in a R program

$x1$

$x2$

$y$

$mod$ ~ $x1+x2)\\$

$summary(mod)$

Next, run the program

See attachment for program and output

From the output, go to coefficients:

Check Estimate Std. column, you have the following:

$(Intercept) = 415.113$

$x_1 = -6.593$

$x_2 = -4.504$

$y = b_o + b_1x_1 + b_2x_2$ implies that:

$b_o \to$ Intercept

$b_1 \to x_1$

$b_2 \to x_2$

Hence, the least square regression equation is:

$y = 415.113 -6.593 x_1 -4.504 x_2$

8 0

3 years ago