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Expression 5: "b" equals StartFraction, "X" . "y" minus "X" . "x" squared Over "X" . "x" squared left parenthesis, "X" . "x" squared minus 1 , right parenthesis , EndFraction equals 0.3 3 7 7 7 7 7 7 7 7 7 8

equals

0.3 3 7 7 7 7 7 7 7 7 7 8

5

Expression 6: "b" Subscript, 1 , Baseline equals round left parenthesis, "b" , 2 , right parenthesis equals 0.3 4

equals

0.3 4

6

Expression 7: "b" Subscript, 2 , Baseline equals round left parenthesis, 1 minus "b" , 2 , right parenthesis equals 0.6 6

equals

0.6 6

7

f(x) = ${b_1}x^4 + ${b_2}x^2: left parenthesis, negative 1 , 2.5 , right parenthesis

Label:

8

Expression 9: 0.5 "x" to the 4th power plus 0.5 "x" squared Has graph. To audio trace, press ALT+T.

9

10

powered by

powered by

left parenthesis, 1 , 1 , right parenthesis

f(1,5)=3.2

f(x) = 0.34x^4 + 0.66x^2

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