Answer:
Real numbers are all the rational numbers such as -7 and 4/3 and all irrational numbers. Real numbers are used mainly in counting and are used in measurement which is always present in real-world situations. These numbers help us to quantify things around.
Answer:
Step-by-step explanation:
area= (17x9)-(16x6)
area=153-96
area=57
Answer: -9
18/x = -2
⇔ x = 18/(-2)
⇔ x = -9
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
The given function, f(x), has three distinct parts. We must find and choose the part whose domain includes x = 1.
This x = 1 is a member of the set 1 ≤ x < 2. Therefore, we choose the 2nd part of this function: evaluate -x^2 at x = 1. This comes out to -1^2, or -1. that's the second answer choice.