Draw out a number line. Make sure 4 is on the number line. At this location, plot an open circle. The open circle indicates "do not include this endpoint as part of the solution set". We shade to the right of this open circle.

Visually this describes all real numbers that are larger than 4.

5 0

2 years ago

In a swimming competition, Grace jumped from the height of 22 meters. The following table represents the height f (t), in meters

exis [7]

For this case we have the following variables:

t: time in seconds.

f (t): height as a function of time.

By the time Grace reaches the pool, the height is equal to zero.

We have the following table:

Time (t) (in seconds) Height f(t) (in meters)

1 25

2 20

3 15

4 0

We observe that the height is equal to zero after 4 seconds.

Equivalently:

$f (4) = 0$

Answer:

the following represents the x-intercept of f(t):

Grace reaches the swimming pool after 4 seconds

8 0

3 years ago

Which expression is equivalent to b^m/b^n ? A. bm-n B. bmn C. bm n D. bm+n

sergij07 [2.7K]

$\cfrac{b^m}{b^n}=b^{m-n}$

8 0

2 years ago

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