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3 years ago

Two functions are represented in different formats.

1 answer:

5 0

First let as solve the equation of the function 2:
solve the slope of the function
m = (y1 - y2) / (x1 - x2)
m = (65 - 85) / (0 - 1)
m = 20

then solve for the y intercept using one point ( 0, 65)
y = mx + b
65 = (20)0 + b
b = 65
so the equation is
y = 20x + 65

so the correct answer is <span>Function 1 has a greater rate of change than function. function 1 has 32 rate of change while function 2 is 20</span>

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3 years ago

7.4 Practice

pickupchik [31]

The simulation of the medicine and the bowler hat are illustrations of probability

The probability that the medicine is effective on at least two is 0.767
The probability that the medicine is effective on none is 0
The probability that the bowler hits a headpin 4 out of 5 times is 0.3281

<h3>The probability that the medicine is effective on at least two</h3>

From the question,

Numbers 1 to 7 represents the medicine being effective
0, 8 and 9 represents the medicine not being effective

From the simulation, 23 of the 30 randomly generated numbers show that the medicine is effective on at least two

So, the probability is:

p = 23/30

p = 0.767

Hence, the probability that the medicine is effective on at least two is 0.767

<h3>The probability that the medicine is effective on none</h3>

From the simulation, 0 of the 30 randomly generated numbers show that the medicine is effective on none

So, the probability is:

p = 0/30

p = 0

Hence, the probability that the medicine is effective on none is 0

<h3>The probability a bowler hits a headpin</h3>

The probability of hitting a headpin is:

p = 90%

The probability a bowler hits a headpin 4 out of 5 times is:

P(x) = nCx * p^x * (1 - p)^(n - x)

So, we have:

P(4) = 5C4 * (90%)^4 * (1 - 90%)^1

P(4) = 0.3281

Hence, the probability that the bowler hits a headpin 4 out of 5 times is 0.3281