Which triangle must be a right triangle and why? ∆a’b’c is right because it is the image of ∆abc ∆adc is right because aa intersects ac at a ∆bcc’ is right because b lies of the line of reflection ∆bcg is right because eg ⊥cc’

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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answer:

at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.  

so that's an initial value of 1000 and a ratio of 2,

y = 1000 (2^x)

hope this !

the correct answer is the last option