The number of bacteria after t hours in a controlled laboratory experiment is n = f ( t ) . (a) What is the meaning of the derivative f ′ ( 5 ) ? What are its units? (b) Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f ′ ( 5 ) or f ′ ( 10 ) ? If the supply of nutrients is limited, would that affect your conclusion? Explain.
The number of bacteria after t hours in a controlled laboratory experiment is n = f ( t ) . (a) What is the meaning of the derivative f ′ ( 5 ) ? What are its units? (b) Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f ′ ( 5 ) or f ′ ( 10 ) ? If the supply of nutrients is limited, would that affect your conclusion? Explain.
Solution Summary: The author explains the meaning of the derivative at 5, f’(5) and its unit.
The number of bacteria after t hours in a controlled laboratory experiment is
n
=
f
(
t
)
.
(a) What is the meaning of the derivative
f
′
(
5
)
?
What are its units?
(b) Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger,
f
′
(
5
)
or
f
′
(
10
)
?
If the supply of nutrients is limited, would that affect your conclusion? Explain.
Use Euler's method to numerically integrate
dy
dx
-2x+12x² - 20x +8.5
from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall
that the exact solution is given by y = -0.5x+4x³- 10x² + 8.5x+1
Find an equation of the line tangent to the graph of f(x) = (5x-9)(x+4) at (2,6).
Find the point on the graph of the given function at which the slope of the tangent line is the given slope.
2
f(x)=8x²+4x-7; slope of the tangent line = -3
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