(A)x = −3.7, 0.5, 3.4
(B)x = −1, 1, 2
(C)x = −2, 2, 3
(D)x = −2, 0.6, 3.4
Answer:
The answer is the option D
Step-by-step explanation:
we have
To solve the system of equations equate f(x) and g(x)
The solution of the system of equations is the intersection points both graphs
Using a graphing tool
see the attached figure
The solutions of x are
The solutions to the equation f(x) = g(x) is −2, 0.6, 3.4.
The correct option is (A)
An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
given:
f(x)= 5x-2
g(x)= x³-2x²-x+2
Now, equate f(x)= g(x)
The solution is shown using graphical method.
By looking the graph, the graph of function g(x) touches the line f(x) at three point −2, 0.6, 3.4.
Hence, the solution of x will be −2, 0.6, 3.4.
Learn more about function here:
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Answer:
Step-by-step explanation:
a)
the sum of all angles in a quadrilateral must be 360º
y+88+25+35 = 360
y = 360=88-25-35
y = 212º
b)
the sum of all angles in an octagon must be 1080º
45+45+140+140+6y = 1080
6y = 1080-90-280
6y = 710
y = 710/6
y=~ 118,3º
18 and 45
B.
26 and 91
C.
10 and 33
D.
14 and 63
A. 30.6%
B. 48.2%
C. 51.8%
D. 69.4%
Answer:
The answer is 48.2%
Step-by-step explanation:
The correlation coefficient r between a child age x and the number of minutes spent doing homework each day y is 0.694 i.e r=0.694
Now, we have to find percent of the variation.
The coefficient of determination is
The square of r(correlation coefficient) is the percent of variation that is explained by the dependent variable.
If r=0.694 ⇒ this means that 48.2% of variation in dependent variable.