28 mpg is the average so that is what they should expect.
Answer:
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Step-by-step explanation:
ddddddddddddddddddddddddddddddddddddd
Y = 2x³, when x = -3
<span>y = 2*(-3)³
</span>
<span>y = 2*-27
</span>
y = -54
Substitute 5 for g so...
5 times 11 =55
Answer:
(a) discriminant is positive, 76
(b) the above tells you there are two real roots
Step-by-step explanation:
the discriminant is 'b² - 4ac'
3x² - 2x - 6 = 0 ∴ a = 3, b = -2, c = -6
(-2)² - 4(3)(-6) = 4 + 72