Hello from MrBillDoesMath!
Answer:
Choice C, sqrt(3-x)
Discussion:
Have no fear, MBill is here!
The quotient is
sqrt (9-x^2) / sqrt( 3+x) = => as sqrt(a)/sqrt(b) = sqrt(a/b), b <> 0
sqrt ( (9-x^2)/( 3+x) ) = => as 9 - x^2 = (3-x) * (3+x)
sqrt ( (3-x)(3+x) /(3+x) ) = => cancel (3+x) from num. and denom.
sqrt( 3-x)
This is Choice C
Note the domain restriction -3 < x < = 3 guarantees that division by zero can't happen.
Thank you,
MrB
45.6 would because it is the closer number to the mean (or average) of all the numbers.
141.999 rounded to the nearest hundredth AND tenth is 142
Rounded to the nearest ten is 140
Rounded to the nearest hundred is 100
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68.9 = y 5=x if representing as a slope, make a dot, go to the right 5 spaces. Go up 68.9 spaces, then make a dot. Connect the dots with a straight line :)
