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Gennadij [26K]
3 years ago
9

Which equation represents an exponential function that passes through the point (2, 80)?

Mathematics
2 answers:
Sloan [31]3 years ago
5 1
The equation is y=mx+c where m is the gradient and c is the y-intercept

allsm [11]3 years ago
3 1

Answer:

Step-by-step explanation:

Given that the exponential function passes through the point (2,80)

Since only one point is given there may be more than one exponential function satisfying this.

One of them we select here is with base 4 and coefficient 5.

i.e.

y=5(4^x)

We can check whether (2,80) lies on it.

Substitute x=2 and y =80

Left side =80

Right side =5(4^2)=80

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Taxi A charges a fee of $3.50, plus $1.75 per mile. Taxi B charges a few of $1.25, plus $2.00 per mile. At what distance would t
frez [133]
Taxi A
1mile £3.50+£1.75=£5.25
Taxi B
1mile £1.25+£2.00=£3.25

Taxi A
2miles £3.50+£3.50=£7.00
Taxi B
2miles £1.25+£4.00=£5.25

Taxi A
3miles £3.50+£5.25=£8.75
Taxi B
3miles £1.25+£6.00=£7.25

Taxi A
4miles £3.50+£7.00=£10.50
Taxi B
4miles £1.25+£8.00=£9.25

Taxi A
5miles £3.50+£8.75=£12.25
Taxi B
5miles £1.25+£10.00=£11.25

Taxi A
6miles £3.50+£10.50=£14.00
Taxi B
6miles £1.25+£12.00=£13.25

Taxi A
7miles £3.50+£12.25=£15.75
Taxi B
7miles £1.25+£14.00=£15.25

Taxi A
8miles £3.50+£14.00=£17.50
Taxi B
8miles £1.25+£16.00=£17.25

Taxi A
9miles £3.50+£15.75=£19.25 (the same)
Taxi B
9miles £1.25+£18.00=£19.25 (the same)

^^^
They would have to drive 9 miles for the taxi to cost the same.

Hope this helped, this is the longest way to work it out but also the simplest.
6 0
3 years ago
Please help me fill in the blanks :) marking most Brainly
Gala2k [10]

Answer:

For the part that contains organic matter your answer is, 35 negative result

For the part that does not contain organic matter your answer is, 60 positive result

Step-by-step explanation:

If we pay attention to the part that contains organic matter the total amount 700 and 665 is positive, so subtract them 700-665 to get 35 negative result

For the part that does not contain organic matter the total amount is 300, and 240 of it is negative, so subtract 240 from 300 to get 60 positive result

Your Welcome, Hope This Helps, And Have an Awesome Day!!!

6 0
3 years ago
Target sells 24 bottles of water for $3, and 36 bottles of water for $4. Which is the better buy and by how much?
quester [9]
24 bottles @ $3 = 8 bottles per dollar
12.5 cents per bottle

36 bottles @ $4 = 9 bottles per dollar
11.1 cents per bottle
6 0
4 years ago
What is the rate of change?
eduard

Answer:

12

Step-by-step explanation:

12 +30= 42

42+12=54

4 0
3 years ago
HELP ASAP!! what is the measure of angle h?
SOVA2 [1]
Answer: B
Because they’re congruent angles
3 0
3 years ago
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