<span>First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease.</span>
Answer:
Step-by-step explanation:Domain is the set of x values in which the function exists. Range is the set of y values in which the function exists. f(x) = 8 / (x + 9) Since the denominator cannot be zero, we set the denominator equal to zero.
Answer:
y=10x+10
Step-by-step explanation:
For 1950, t = 0 and for 1990, t = 1980 - 1950 = 30
Given that <span>the world population in the second half of the 20th century was modelled by the equation
.
</span>T<span>he average world population during the time period of 1950 to 1980 is given by
</span>