Answer:
56 + 8x
Step-by-step explanation:
8(7) + 8(x)
= 56 + 8x
Answer:
Probability that the lifetime of the machine part is less than 13 = 0.6782
Step-by-step explanation:
given that 
Normalizing the function we get





I think it is 8 I’m pretty sure
2x + 9 < 32
2x < 32 - 9
2x < 23
x < 23/2
x < 11.5 <==