Answer:
Option C.
Step-by-step explanation:
If a line passes through two points and , then the equation of line is
The line passes through the points (1,0) and (0,-2). So, the equation of line is
It is a solid line and the shaded region lies below the line, so the sign of inequality must be "≤".
First inequality is .
The parabola intersect the x-axis at 0 and 3, so the equation of of parabola is
It is a solid curve and the shaded region lies above the curve, so the sign of inequality must be "≥".
Second inequality is .
Therefore, the correct option is C.
Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!
Answer: Eric still needs of a deck.
Step-by-step explanation:
You know that:
- Eric need 1/2 deck of playing cards.
- Eric has 2/7 of a deck.
Therefore, to find the fraction of a deck that Eric still needs, you must subtract 1/2 and 2/7:
- Find the least common multiple of the denominators:
- Now, you can make the subtraction:
Therefore, he still needs of a deck.
Answer:
The definition of present value is the current value of a future sum of money.
Choice A
Step-by-step explanation:
Present value (PV) is the current value of a future streams of cash flows or sum of money at a given expected rate of return by the investor. Future payment streams are discounted at the rate of return. The present value increases with the decrease in the rate of return or the discount rate and vice versa.
Answer:
I think 400
Step-by-step explanation: