Answer:
a. True. Rational numbers are closed under the sum operation, therefore, the sum of two rational numbers is always a rational number.
b. True. irrational numbers are closed under the sum operation, therefore, the sum of two irrationals numbers is always a irrational number.
c. True. The square of a real number is always a number greater than zero, and the sum of two numbers greater than zero is greater than zero.
d. True. The real numbers are closed under the product operation, then if a and b are reals numbers, the product ab is also a real number.
Step-by-step explanation:
Explanation:
The function is given below as
The set of domains is given below as
Step 1:
Put x=-1
Step 2:
Put x=0
Step 3:
Put x=1
Step 4:
Put x=2
Hence,
The range of g(x) using set notation will be
Hence,
The graph of g(x) is given below as
Step-by-step explanation:
Given: 2x-6=5x+18
step 2 : the subtraction property of equality
step 4: the addition propert of equality
step 5: the division propert of equality
Answer:
about 5.3
Step-by-step explanation:
