For Exercises 29-48, use a variation model to solve for the unknown value. The amount of a pain reliever that a physician prescribes for a child varies directly as the weight of the child. A physician prescribes 180 mg of the medicine for a 40-lb child. (See Example 3) a. How much medicine would be prescribed for a 50-lb child? b. How much would be prescribed for a 60-lb child? c. How much would be prescribed for a 70-lb child? d. If 135 mg of medicine is prescribed what is the weight of the child?
For Exercises 29-48, use a variation model to solve for the unknown value. The amount of a pain reliever that a physician prescribes for a child varies directly as the weight of the child. A physician prescribes 180 mg of the medicine for a 40-lb child. (See Example 3) a. How much medicine would be prescribed for a 50-lb child? b. How much would be prescribed for a 60-lb child? c. How much would be prescribed for a 70-lb child? d. If 135 mg of medicine is prescribed what is the weight of the child?
Solution Summary: The author calculates the amount of pain reliever that should be prescribed for a 50-lb child.
For Exercises 29-48, use a variation model to solve for the unknown value.
The amount of a pain reliever that a physician prescribes for a child varies directly as the weight of the child. A physician prescribes 180 mg of the medicine for a 40-lb child. (See Example 3)
a. How much medicine would be prescribed for a 50-lb child?
b. How much would be prescribed for a 60-lb child?
c. How much would be prescribed for a 70-lb child?
d. If 135 mg of medicine is prescribed what is the weight of the child?
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1
7. Fill in the blanks to write the calculus problem that would result in the following integral (do
not evaluate the interval). Draw a graph representing the problem.
So
π/2
2 2πxcosx dx
Find the volume of the solid obtained when the region under the curve
on the interval
is rotated about the
axis.
38,189
5. Draw a detailed graph to and set up, but do not evaluate, an integral for the volume of the
solid obtained by rotating the region bounded by the curve: y = cos²x_for_ |x|
≤
and the curve y
y =
about the line
x =
=플
2
80
F3
a
FEB
9
2
7
0
MacBook Air
3
2
stv
DG
Find f(x) and g(x) such that h(x) = (fog)(x) and g(x) = 3 - 5x.
h(x) = (3 –5x)3 – 7(3 −5x)2 + 3(3 −5x) – 1
-
-
-
f(x) = ☐
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
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