Answer:
C. 560
Step-by-step explanation:
50% is one half, so there is another half of 280. 280*2=560
C
79
To find the value of , when x = 3, simply plug in the value of x in the expression and solve as follows:
The value of , when x = 3, is 79
y=−0.004x2+0.415x−0.546
75/99