Write an equation, calling the number x:
3x=2(x+4)
3x=2x+8
x=8
However, 8 is not a perfect square, which was required in the problem, so there are no solutions.
Answer:
f(9) = 42
Step-by-step explanation:
f(9) = (-9)*2 + 5*9 +15
= -18 + 45 + 15
= 42
C is the awnser I believe correct me if I’m wrong
Answer:
B) 0.24
Step-by-step explanation:
As we plot the point on the best fit line for the concentration of 0.2 the absorbance level predicted should be 0.24.