Answer:
Did you mean 4c-12=8? If so, the value of c is 5.
Step-by-step explanation:
B b b b b b b b b b b b b b b b b b
Answer:
C
Step-by-step explanation:
calculate like terms, then it is pretty simple from there.
Answer:
D
Step-by-step explanation:
Your y - intercept in -1 so that automatically eliminates answer choices B and C. Now you have to look at your slope. From your y intercept how many do you need to go up and over to the right. In this case you would have to go up 2 places and over 1. Leading to the result 2/1. Since 2 divided by 1 is 2 your slope would be 2. Hoped this hepled :)
Answer:
b = - 0.432
Step-by-step explanation:
It takes 200 seconds to produce the first widget. And by the 400th widget, it takes only 15 seconds.
Now, the formula that gives the time to make the nth widget is given by
and we have to evaluate the constant b from the above-given conditions.
So, 
⇒ 
Taking log on both sides
b log (400) = log (0.075)
⇒ b = - 0.432 (Answer)
