Answer:
Step-by-step explanation:
y = ax² + bx + c
Plug the points into the equation to get a system of 3 equations with 3 unknowns a, b, and c.
-27 = 4a - 2b + c
-42 = 9a + 3b + c
-12 = a + b + c
(a,b,c) = (-4,1,-9)
y = -4x² + x - 9
Answer:
4:30
Explanation:
Three hours before 7:35 is 4:35, but you also have to subtract the extra 5 minutes to make it 4:30
Answer:
5x + 2x + 7x
Step-by-step explanation:
The exponential graph is shown below.
The initial value when the time is zero is 70000. An initial value is normally shown as the point where the graph crosses the y-axis.
If the initial value was to be 50000, the curve would have crossed the y-axis at 50000
The correct answer is the first statement