Is this relation a function? Justify your answer. 11
10
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9
8
7
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5
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3
2
1
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8 9 10 11
A. Yes, because every x-value corresponds with a single y-value.
O O O
B. Yes, because every x- and y-value is positive.
C. Yes, because the number of x-values is the same as the number of
y-values
D. No, because two points with the same y-value have different x-
values.

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.