3 years ago

What is the y-intercept of -x + 4 = y? *

Mathematics

1 answer:

galben [10]3 years ago

5 0

Answer:

y intercept: (0,4)

Step-by-step explanation:

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HELP!!!

ella [17]

Answer:

120

Step-by-step explanation:

We are given that the function for the number of students enrolled in a new course is $f(x) = 4^{x}-1$ .

It is asked to find the average increase in the number of students enrolled per hour between 2 to 4 hours.

We know that the average rate of change is given by,

$A = \frac{f(x)-f(a)}{x-a}$ ,

where f(x)-f(a) is the change in the function as the input value (x-a) changes.

Now, the number of students enrolled at 4 = f(4) = $f(x) = 4^{4}-1$ = 255 and the number of students enrolled at 2 = f(2) = $f(x) = 4^{2}-1$ = 15

So, the average increase $A=\frac{f(4)-f(2)}{4-2}$ = $A=\frac{255-15}{4-2}$ = $A=\frac{240}{2}$ = 120.

Hence, the average increase in the number of students enrolled is 120.

3 0

3 years ago

Hugh says that “one less than four times a number” can be written as two expressions: 1 - 4n and 4n - 1. Why is Hugh incorrect?

Basile [38]

Answer:

N times 4-1

Step-by-step explanation:

4 times number is not a squared number where you multiply- the number

by it's self and then you subtract 1

8 0

3 years ago

Jill fish weighs 8 times as much as her parakeet. Together, the pets weigh 63 ounces. How much does the fish weigh?

sleet_krkn [62]

$63 \times 8$
=
504

8 0

3 years ago

The table below shows an inequality and a number by which to multiply both sides.

Paraphin [41]

Answer:

10>-15

Step-by-step explanation:

4 0

3 years ago

If GEOM is a square, find m∠GQE.

Alexxandr [17]

Answer:

i think it is 180

Step-by-step explanation:

because 180 is the total degrees of a triangle

7 0

3 years ago