The prediction equation y=5.92x + 119.21 models teh median selling price, in thousands of dollars, of new homes in a certain area since 1995. Predict the median selling price in 2015.
find f(-7) if f(x)=2x2^2-3x
hope my answers are the same as yours!!
2006-09-28 11:01:05 · 2 answers · asked by princessa_marta 3 in Education & Reference ➔ Homework Help
put -7 everywhere there is an x
your equation looks funny, is there an extra 2 after the first x?
2 * -7 * 2^2 - 3*-7= -76
If there is an extra 2 and the equation is 2x^2 - 3x the answer is
2 (-7)^2 - (-7 * 3) = 119
2006-09-28 11:08:47 · answer #1 · answered by Dennis K 4 · 0⤊ 0⤋
well if y=5.92times+119.21 well the only thing wroung is that it does not exiest cuz y= 5 then the 2 times the one is only reaming so add then subtract then 567 well reamin so (1=77)59-65=3^7-3 will equal negative 4 i had this problem in math and oh i had a a plus so i hope i am helping
2006-09-28 18:06:48 · answer #2 · answered by luvabout 1 · 0⤊ 0⤋