For the following exercises, determine the function described and then use it to answer the question. 56. An object dropped from a height of 200 meters hasa height, h ( t ) , in meters after tseconds have lapsed,such that h ( t ) = 200 − 4.9 t 2 . Express tas a functionof height, h , and find the time to reach a height of50 meters.
For the following exercises, determine the function described and then use it to answer the question. 56. An object dropped from a height of 200 meters hasa height, h ( t ) , in meters after tseconds have lapsed,such that h ( t ) = 200 − 4.9 t 2 . Express tas a functionof height, h , and find the time to reach a height of50 meters.
For the following exercises, determine the function described and then use it to answer the question.
56. An object dropped from a height of 200 meters hasa height,
h
(
t
)
,
in meters after tseconds have lapsed,such that
h
(
t
)
=
200
−
4.9
t
2
.
Express tas a functionof height, h, and find the time to reach a height of50 meters.
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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Solve the linear system of equations attached using Gaussian elimination (not Gauss-Jordan) and back subsitution.
Remember that:
A matrix is in row echelon form if
Any row that consists only of zeros is at the bottom of the matrix.
The first non-zero entry in each other row is 1. This entry is called aleading 1.
The leading 1 of each row, after the first row, lies to the right of the leading 1 of the previous row.
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