<h3>
Answer: Choice C</h3><h3>
{ (-2,2), (0,2), (7,2), (11,2) }</h3>
Here we don't have any repeated x values.
In choice A, x = 2 repeats. In other words, x = 2 leads to multiple y outputs. So this is not a function. Choices B and D are similar stories. A function is only possible if every x leads to exactly one y value only. The graph must pass the vertical line test.
Side note: the y values can repeat, but the function won't be one-to-one.
a) –a + b is negative
b) a – b is positive
c) b-a is negative
Step-by-step explanation:
1. Suppose a and b are real numbers where a > 0 and b < 0.
a. Is –a + b positive or negative. Explain how you know.
We know a > 0 and b < 0. so, let a =6 and b = -5
Putting values:
–a + b
= -(6)+(-5) = -6-5 = -11
So, –a + b is negative
b. Is a – b positive or negative? Explain how you know.
We know a > 0 and b < 0. so, let a =6 and b = -5
Putting values:
a - b
=6-(-5) = 6+5 = 11
So, a – b is positive
c. Is b – a positive or negative. Explain how you know
We know a > 0 and b < 0. so, let a =6 and b = -5
Putting values:
b-a
=(-5)-(6)
= -5-6
= -11
So, b-a is negative
Keywords: Solving Integers:
Learn more about solving integers at:
#learnwithBrainly
It is the angle where it says "A".
Answer:
0.153846154
Step-by-step explanation:
26 pounds for 4 acres
1 pound will need less acres
Answer:
The number is 38,478
Step-by-step explanation:
* Lets explain how to find the number
- The number is 5-digit
* Ones ⇒ the last digit
* Tens
* Hundreds
* Thousands
* Ten thousand
- The ones digit is the same as the last digit of last year's calendar year
∵ The last year is 2018
∴ The last digit is 8
∴ The ones digit is 8
- The ones digit is the same as the thousands digit
∵ The ones digit is 8
∴ The thousands digit is 8
- The ten thousands digit is five less than the thousands digit
∵ The thousands digit is 8
∴ The ten thousands digit is 5 less than 8
∵ 8 - 5 = 3
∴ The ten thousands digit is 3
- The last two digits sum to 15
∵ The last two digits are ones and tens digits
∵ The ones digit is 8
∵ 15 - 8 = 7
∴ The tens digit is 7
- There is one 4 in the number
∵ The hundreds digit is empty
∴ The hundreds digit is 4
* <em>The number is 38,478</em>
