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fomenos
3 years ago
7

Someone help please! :)

Mathematics
1 answer:
Tema [17]3 years ago
4 0
The domain of a function refers to the interval of x values where the graph is defined. In order for the function to be at least 600, the x values must be between 0 and 20. 

The answer is:

0 \leq x \leq 20
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Elizabeth works part-time to help pay for college. She has worked for the last 14 days without a day off for a total of 48 hours
Genrish500 [490]
 14 X  48X 3X4 = ur answer

3 0
3 years ago
Who could help me with this please and thank you
kkurt [141]

Answer:

Step-by-step explanation:

let the number be x

so according to the question ur equation is

4x=5<x^2

4x-5=x^2

4-5=x^2/x

-1=x

4 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST
Nataliya [291]

Answer:

You may or may not need to include the units.

A = 18x - 18

P = 6x + 6

Graph is attached below. (2, 18)

Step-by-step explanation:

Substitute the information we need, "l" and "w", into the formulas.

l is for length, 6cm.

w is for width, (3x - 3)cm.

Use the formula for area of a rectangle.

A = lw

A = (6)(3x-3)cm²

A = (18x - 18)cm²  or 18x - 18

Use the formula for perimeter of a rectangle.

P = 2(l + w)

P = 2(6 + (3x - 3))cm

P = 2(3x + 3)cm

P = (6x + 6)cm  or 6x + 6

Linear equations are written in the form y = mx + b, so we do not need to factor or further simplify the formulas.

To graph, first turn the "m" value into a fraction form.

8 -> 8/1

6 -> 6/1

You need two points to graph each line.

For each equation, the first point is on the y-axis at the "b" value. Then use the "m" in the equation to count the number of units up (numerator) and to the right (denominator).

The solution is (2,18)

8 0
3 years ago
Is (-3,4) a solution of the inequality y&gt; - 2x – 3?
jeyben [28]

Answer:

  (-3, 4) is a solution

Step-by-step explanation:

The point (-3, 4) is inside the shaded area of the graph, so is a solution.

You can check in the inequality

  y > -2x -3

  4 > -2(-3) -3 . . . . substitute for x and y

  4 > 3 . . . . . . . true; the given point is a solution

8 0
3 years ago
4. Identify whether each function is linear or non-linear. Then, evaluate the function for the given value of
ozzi

f(x) = x3 + 2x2 + 6  \\ f(3) = (3)3 + 2(3)2 + 6 \\  = 9 + 12 + 6 \\ f(3) = 28 \\  \\ f(x) = 1x  \\ f(8) = 1(8) \\  = 8 \\ f(8) = 8

6 0
3 years ago
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