F(x) = -4x2 + 10 Find f(-2)
1 answer:
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Answer:
Let E denote the event of choosing a jury with 10 men and 2 women.
The sample space for selecting 12 members from the pool contains 55C12 elements.
The number of ways of selecting 10 men and 2 women is 26C10 29C2.
The probability of event E =
The probability of selecting a jury with 10 men and 2 women is 0.005 (0.5%).
Step-by-step explanation:
see the image :
Here are a few rules you need to know for this equation:
- Multiplying exponents of the same base:
- Dividing exponents of the same base:
- Turning a negative exponent to a positive one:
So this is our algebraic expression:
Firstly, multiply 3^-4 and 3^2:
Next, divide:
Next, turn the negative exponent into a positive one:
<u>Your final answer is 3/2, or 1.5.</u>
The linear function with the same y-intercept with the graphed function is: table A.
<h3>What is a Linear Function?</h3>The equation that models a linear function is, y = mx + b, where m is the slope and b is the y-intercept.
Slope of the graphed function = rise/run = - 2/1 = -2
Using one of the points on the line (x, y) = (5, 0) and the slope, m = -2, find the y-intercept (b) by substituting the values into y = mx + b:
0 = -2(5) + b
0 = -10 + b
10 = b
b = 10
The slope (m) of the graphed function is -2, and the y-intercept (b) is: 10.
Slope (m) of table A = change in y/change in x = (14 - 8)/(3 - 1) = 3
Substitute a point (x, y) = (1, 8) and slope (m) = 3 into y = mx + b to find the y-intercept (b):
8 = 3(1) + b
8 - 3 = b
5 = b
b = 5
Therefore the table with the same y-intercept as the graphed function is table A.
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