Calculate the x and f(x) intercepts of f(x) = 3x 2 − 12.
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Answer:
-6
and there you have it plain and simple
Answer:
see explanation
Step-by-step explanation:
To find the x- intercepts let f(x) = 0, that is
3x² - 12 = 0 ( add 12 to both sides )
3x² = 12 ( divide both sides by 3 )
x² = 4 ( take the square root of both sides )
x = ± = ± 2
Thus x- intercepts are at (- 2, 0 ) and (2, 0 )
To find the y- intercept (f(x)) let x = 0, thus
f(0) = 3 × 0² - 12 = 0 - 12 = - 12
Thus y- intercept at (0, - 12 )
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Factor completely:v^4+6v^2+5
(5x-2)^2=10
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5x-2=+/-√10
add 2 to both sides
5x=2+/-√10
divide by 5
x=
x=
aprox
x=1.03246 or -0.232456
A(x) = 300 - 20m
A(x) = 15m
A(x) = 300 + 20m
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Final answer:
The equation modelling Sonya's savings is A(m) = 300 + 20m, where A is the total saved, 300 is the initial amount saved, 20 is the amount saved monthly, and m is the number of months.
Explanation:
The correct model for this question is A(m) = 300 + 20m. This is because Sonya initially has $300 in her savings account, represented by the 300 in the equation, and each month she saves an additional $20, represented by the 20m in the equation. The variable m in the equation represents the number of months Sonya has been saving money. So each time m increases by 1 (meaning one month passes), the total amount of money, A, increases by $20. So if m represents 3 months, Sonya has $300 + $20*3 = $360 in her account.
Learn more about Linear Function here:
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The statement Geometry would not be used to check a foundation during construction is false
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f(x)=3x+4
This is a function because it shows that the y value is equivalent to 3 times the x value plus 4. the 4 is used to represent the y intercept, which is were the function's line intercepts the y axis (it intercepts at 4 units). For ever value of x, f(x) is four more than three times x.
B. supplementary
C. reflex
D. curved
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Answer:
C) The diagram in this figure illustrates a reflex angle
Step-by-step explanation:
Given : A diagram with an angle.
To find : The diagram in this figure illustrates a _______ angle.
Solution : We can see from figure it is greater than 180 degree and less than 360 degree.
By the definition of reflex angle : The reflex angle is the larger angle. It is more than 180° but less than 360°.
Therefore, C) The diagram in this figure illustrates a reflex angle.
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The reason why you make the smaller number negative is because we are looking for what numbers add together to make a positive number (10). If the bigger number was negative, then we would get a negative sum.
From what i could find, there aren't any whole numbers that satisfy this, and i doubt that the question would want you to find decimals for this.
The way to find this with equations (in short) is to have to variables, x and y, and make two equations. in this case x+y=10 and xy=-192. Solve one equation for a variable and then use substitution to plug that variable into the other equation. if you do this you get really long decimals.