What is the value of the function at x = 2? Enter your answer in the box.
2 answers:
Answer:
-2
Step-by-step explanation:
To evaluate a function when a graph of it is given, first you have to locate the point of your interest, in this case x = 2; then go up or down until you reach the line which represent the function, in this case the function is under the x-axis for x = 2, so you go down; after that you have to go left ot right to find the corresponding y-value, that is, the function value, here you have to go to left to find y = -2.
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Answer:
(A) 30772cm^2/s
(B) 153860cm^2/s
(C) 184632 cm^2/s
Step-by-step explanation:
We are given
speed of the ripple = 70cm/s
this speed is increasing the radius which means speed = radius /time
radius = speed*time
r= 70t
Now we know the area of the circle
A = π
this area will be increasing as ripples in water will spread out
upon differentiating
dA/dt = 2πr *
dA/dt = 2π*70t*70 ( r= 70t , dr/dt = speed = 70)
dA/dt = 9800π*t
(A) after 1 second
dA/dt = 9800π*1=9800π = 30772cm^2/s
(B) after 5 seconds
dA/dt = 9800π*5 = 153860cm^2/s
(C) after 6 seconds
dA/dt = 9800π*6 = 184632 cm^2/s
Answer:
The answer is "4.8, 3.84, and 1.96".
Step-by-step explanation:
Given:
By using the binomial distribution: