Algebra

72. Solve for the variable in the equation:
4.9x + 4.4 = 19.1

x=3?

71. Does a machine that takes one quarter at a time into its input and produces one gumball in its output act like a function?

Yes?

69. Does a machine that takes one quarter at a time into its input and produces two gumballs in its output at like a function?

No?

65. Solve for a in the equation:
2 1/2 a= -25

(That's written: two and a half a equals negative twenty five)

I got a=-10

62. Determine if y=x/2 is a function.

Yes

58. An equation is not a function if even one x value produces _____ corresponding y values(s).
a. one
b. less than one
c. more than one
d. zero for a

C?

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  1. 69,yes, it is a function,for each input, y=2

    all others correct.

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    bobpursley

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