The first one is a. If you solve for x, equals 50. And if you retrace the steps described in a, describes the situation. Lost half, then one more.
The second is c, the inequality describes the condition and solves how many commissions he needs to earn at least 100 or more dollars a day.
I believe if Socratic is right the answer is -x+4y=8
You can see graph of the function
in the first picture. Now to find its inverse, we are going to switch
and
in our function, and then solve for
Remember that every time that you take a square root, you will have tow results: one positive and one negative. Therefore, our function
will have tow inverses:
and
.
In the first picture you can see the graph of the original function; in the second one the graphs of its inverses, and in the third one all the graphs together. Notice that our original function is a quadratic function, and quadratic functions don't have inverse functions unless their domains are restricted.
Answer:
m(x) = 20000(0.97)^x
Step-by-step explanation:
Given that :
Initial population, population in 1990, P = 20,000
Rate, r = 3% = 0.03
Number of visitors to the museum x years after 1990
Since population decreases, Decay formula
m(x) = Initial population * (1 - r)^x
m(x) = 20000(1 - 0.03)^x
m(x) = 20000(0.97)^x
Answer:
D
Step-by-step explanation:
x + y = 30
65x + 80y = $2,200
The only option that matches this is D
<em>Hope that helps!</em>
<em>-Sabrina</em>