Answer:
Below.
Step-by-step explanation:
In factor form this is:
f(x) = a(x + 3)(x + 1)(x - 2) where a is a number to be found.
As it passes through (3, 6) we have:
6 = a(3 + 3)(3 + 1)(3 - 2)
24a = 6
a = 1/4.
So f(x) = 1/4(x + 3)(x + 1)(x - 2)
In general form this is:
f(x) = 1/4 x^3 + 1/2 x^2 - 5/4 x - 3/2
Answer:
the maximum no of miles she can drive is 147
Step-by-step explanation:
Let us assume the number of miles be x
Now the equation is
$17.95 + 0.15x = $40
0.15x = $40 - $17.95
0.15x = $22.05
x = $22.05 ÷ 0.15
= 147 miles
Hence, the maximum no of miles she can drive is 147
Answer:
x = mn/(1 -m)
Step-by-step explanation:
Factor out x, then multiply by the reciprocal of its coefficient.
x/m -x = n
x(1/m -1) = n . . . . . factor out x
x(1 -m)/m = n . . . . simplify the coefficient of x; next multiply by its reciprocal
x = mn/(1 -m)
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