Plug in 2.5 for x and you get
2.5+1 which equals 3.5
Answer: 68
Step-by-step explanation:
range=47 lowest score = 21 let highest score =x
Range=highest score - lowest score
47 = x - 21
x = 47 + 21
x = 68
Therefore the highest score is 68
Answer: B
Step-by-step explanation:
the parabola having (1,5) as vertex have as equation:
y=k*(x-1)²+5
It is passing through (2,8)
8=k*(2-1)²+5 ==> k+5=8 ==> k=3
equation is y=3(x-1)²+5
Answer B
Answer:
uh maybe 16x= -3 or x= -3/16
Step-by-step explanation:
I'm so sorry if this is wrong or not what you're looking for
Correct me if I’m wrong but I believe it to b
