help!! precal?
The cost of mailing a letter is $ 0.33 for the first ounce and $0.22 for each additional ounce or portion thereof. Identify the type of function that models this situation. Then write and graph(u dont have to graph it) a function for the situation.
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f(x)=.33+.22x
ok thanks
Cost: C(x) = mx + b
= 0.22 x + 0.33
0.33 = b => first ounce
0.22 = m => $0.22/ounce => additional
f(x)=.33+.22x