Answer:
x=4 and y=2
Step-by-step explanation:
2x=3(-x+6) +2
2x= -3x+18 +2
2x= -3x+20
5x=20
x=4
y=-(4) +6
y=2
An exponential parent function is the option C. f(x)= , from the given options.
What do you mean by exponential parent function?
The formula for their parent function is y = , where b is any non zero constant. Below is a graph of the parent function, y = , which demonstrates that it will never equal 0. And at y = 1 when x = 0, y crosses the y-axis.
According to options in the given question,
We have the option below in the given question:
A. f(x) = 2^x – 3 
B. f(x) = 2^x + 2 
C. f(x) = 2^x 
D. f(x) = 2^x + 1/3
We know from the above definition that the option C. is the right answer to the given question.
Therefore, the exponential parent function is f(x)= .
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Answer:
D
Step-by-step explanation:
A. Sin 42=0.669
Cos=52=0.617
B. Sin 90=1
cos 90=0
C. cos30=0.866
sin 70=0.940
D. sin80=0.985
cos 10=0.985
<span>239.63 ÷ 7.51
estimate
= 240 / 8
= 30</span>
Solution:
Standard Error Formula:
SEx̄ = S / UNDERROOT N
where,
SEx̄ = Standard Error of the Mean
s = Standard Deviation of the Mean
n = Number of Observations of the Sample
SExĚ„ = 51.60/ âš21 = 11.26004314
So, standard error = 11.26004314