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3 years ago

I WILL MARK BRAINLIEST!! PLEASE HELP ASAP!!!

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

For answer 3 the correct answer is D because when you plug in 7 for t you get 2376
It is an exponential function
Swamp would be cheaper as when you find the cost in 4 hours is less for it

goblinko [34]3 years ago

3 0

Answer:

Answer 1 is C) Exponential Function

For answer 2

65x4=260 +50 = 310 The answer is Swamp Lover, because it is cheaper

75x4=300 + 45= 345

For answer 3

$1200x1.05^{7} =1689 (rounded)$

Therefore the correct answer is C 1200, 5% anually, and 1689

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Anthony sells cars. Each month, he is paid $2,000, plus a 15% commission on monthly sales above $20,000. Which function calculat

PIT_PIT [208]

Answer:

$E= 2000 + 0.015*m$

Step-by-step explanation:

Let the parameters be stated as follows

E= earnings

m= monthly sales

His payment of $2,000 is constant

His commission is 15%= 0.015

Hence the function for his earnings can be drafted as

$E= 2000 + 0.015*m$

7 0

3 years ago

Read 2 more answers

I’m new to this app and I need help with those two questions please help!!

larisa86 [58]

y=x²-10x-7

a>0 so we will be looking for minimum

x=-b/2a=10/2=5

y=25-50-7=-32

Answer: (5;32)

y=-4x²-8x+1

а<0 so we will be looking for maximum

х=-b/2a=8/-8=-1

у=4+8+1=13

Maximum point (-1;13)

6 0

3 years ago

How much do a dozen cookies weigh?

yaroslaw [1]

0.43 oz

Hope this helps...

7 0

3 years ago

Read 2 more answers

Anthony, Brian and Chris are hired for a job. If Anthony and Brian are working together they will finish the job in minutes. If

Tcecarenko [31]

Answer:

12.5

Step-by-step explanation:

Let individual time taken by Anthony, Brian and Chris = t1 , t2 , t3 respectively

So, total time taken by A & B = 1 / t1 + 1 / t2 , lets suppose = 10 {i}

Total time taken by A & C = 1 / t1 + 1 / t3 , lets suppose = 15 {ii}

Total time taken by B & C = 1 / t2 + 1 / t3 , lets suppose = 20 {iii}

From {i} , 1 / t2 = 10 - 1 / t1

From {ii} 1 / t1 = 15 - 1 / t3

By above two eqtns , 1 / t2 = 10 - (15 - 1 / t3)

1 / t2 = 1 / t3 - 5

Putting in {iii} , 1 / t3 - 5 + 1 / t3 = 20

2 / t3 = 25

t3 = 12.5

5 0

3 years ago

For which pair of functions is the vertex of k(x)7 units below the vertex of f(x)?

kvv77 [185]

Answer: Option C

$f(x) = x^2;\ k (x) = x ^ 2 -7$

Step-by-step explanation:

Whenever we have a main function f(x) and we want to transform the graph of f(x) by moving it vertically then we apply the transformation:

$k (x) = f (x) + b$

If $b> 0$ then the graph of k(x) will be the graph of f(x) displaced vertically b units down.

If $b> 0$ then the graph of k(x) will be the graph of f(x) displaced vertically b units upwards.

In this case we have

$f (x) = x ^ 2$

We know that this function has its vertex in point (0,0).

Then, to move its vertex 7 units down we apply the transformation:

$k (x) = f (x) - 7\\\\k (x) = x ^ 2 -7$ .

Then the function k(x) that will have its vertex 7 units below f(x) is

$k (x) = x ^ 2 -7$

3 0

3 years ago