Find the domain of y = 2x + 1 if the range is {9, 13, 19, 23}
Select one:
a. {4, 5, 6, 7}
b. {4, 6, 9, 11}
c. {19, 27, 39, 47}
d. {5, 7, 10, 12}

Question

Find the domain of y = 2x + 1 if the range is {9, 13, 19, 23}
Select one:
a. {4, 5, 6, 7}
b. {4, 6, 9, 11}
c. {19, 27, 39, 47}
d. {5, 7, 10, 12}

amistre64 · Answer

solve for x = elements of the domain

amistre64 · Answer

hmm, i see its earlier and i read it wrong

amistre64 · Answer

you can rearrange it as x=my+d  if you want and run it

amistre64 · Answer

or, use the options as your x values to see what produces the given range

anonymous · Answer

y = 2 * 9 + 1 = 10
y = 2 * 13 + 1 = 27
y = 2 * 19 + 1 = 39

anonymous · Answer

SO C

amistre64 · Answer

no c,  that was a bait .... i feel for it too

amistre64 · Answer

which option produces the given range

anonymous · Answer

huh ok..... I don't get it

amistre64 · Answer

y = 2x + 1,  they give you the y values {9, 13, 19, 23}

  9 = 2x + 1
13 = 2x + 1
19 = 2x + 1
23 = 2x + 1

and ask you for the set of x values that work

anonymous · Answer

{4, 5, 6, 7}
b. {4, 6, 9, 11}
c. {19, 27, 39, 47}
d. {5, 7, 10, 12}

anonymous · Answer

fill in x?

amistre64 · Answer

correct, fill in x

anonymous · Answer

2 * 4 + 1 = 9 
2 * 6 + 1 =13 
2 * 9 + 1 = 19 
2 * 11 + 1 = 23
B?

amistre64 · Answer

correct

anonymous · Answer

Thanks :D

amistre64 · Answer

youre welcome