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drek231 [11]
2 years ago
7

Please help me I’m currently failing this class ills really appreciate it

Mathematics
1 answer:
Ganezh [65]2 years ago
3 0

Answer:

Question 1:

(3)

x     3  5  7  9  

f(x)  2  4  2  4

Question 2:

(2) whole numbers

Step-by-step explanation:

1.

In a function, each x-value must only have 1 y-value, but a y-value can have multiple x-values.

2.

A whole number is any positive number that is not a fraction. You cannot have negative devices nor a fraction of a device.

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Can someone explain interval notations? Also, How do you figure them out?
sergeinik [125]

A notation for representing an interval as a pair of numbers. The numbers are the endpoints of the interval. Parentheses and/or brackets are used to show whether the endpoints are excluded or included.

For example, [3, 8) is the interval of real numbers between 3 and 8, including 3 and excluding 8.


8 0
3 years ago
Simplify the rational expression.  State any restrictions on the variable.
AveGali [126]

Answer:

The last choice.

Step-by-step explanation:

\dfrac{k^2-k-2}{k^2-4k-5}=\dfrac{(k+1)(k-2)}{(k+1)(k-5)}=\dfrac{k-2}{k-5}

The value of k must be restricted from being one that makes the original denominator zero. Hence k ≠ -1 or 5.

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3 years ago
Hi, can someone please help me? trying to graduate :(
ehidna [41]

Answer:

D

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = - 2 , then

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to find c substitute (3, - 2 ) into the partial equation

- 2 = - 6 + c ⇒ c = - 2 + 6 = 4

y = - 2x + 4 ← equation of line in slope- intercept form

7 0
2 years ago
I just need somebody to double check my answers. I’m pretty sure I’m right but I don’t really know.
Fantom [35]

Answer:

<h2>Yeah, all answer is right</h2>

<h2>I HOPE IT IS HELPFUL</h2>
4 0
2 years ago
Read 2 more answers
Which two numbers on the number line have an absolute value of 1.75?
Harrizon [31]

The absolute value of a number is the distance the number is from zero on the number line. Only one number is 0 units from 0. It is zero. For all other distances, there are always two numbers. Example: The two numbers a distance of 1 unit from zero are -1 and 1. Example: The two numbers a distance of 4.5 units from zero are -4.5 and 4.5.

In your case, the two numbers a distance of 1.75 units from zero are -1.75 and 1.75. Find -1.75 between -1.5 and -2 and place a dot there. Find 1.75 between 1.5 and 2 and place a dot there.

5 0
3 years ago
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