A car travels 255 miles in 3 3/4 at a constant speed. How many miles is the car traveling per hour?
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ANSWER
Multiply through by LCM of 15
Expand brackets to obtain,
Group like terms
In interval form it is written as
Hello!
- Separate the function into parts to determine the domain of each part.
- The domain of a polynomial function is the set of all real numbers.
Domain: ( -∞; ∞ )
- Write the second degree function in standard form.
- Identifies the coefficients a and b of the second degree function.
- Find the x coordinate of the vertex by substituting a = 1 and b = 6 in x = -b / 2a.
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Range: ( -3; -5 )
Answer: No answer
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