Find the domain of the function.f(x) = 
A. {x|x > 
}, or (
, ?)
B. {x|x ? 6}, or (-?, 6]
C. {x|x ? 6}, or (-?, 6) ? (6, ?)
D. all real numbers, or (-?, ?)
Answer: D
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Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 224 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground?
A. 15 sec B. 3.7 sec C. 3136 sec D. 14.4 sec
Use scientific notation to perform the computation. Leave the answer in scientific notation.
A. 2.0 × 10-3 B. 2.0 × 10-1 C. 2.0 × 10-2 D. 2.0 × 102
Identify the equation without applying a rotation of axes.5x2 - 2xy + 2y2 - 2x - 4y + 8 = 0
A. hyperbola B. parabola C. ellipse D. not a conic
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.High temperatures during heat waves in California
A. Natural numbers B. Rational numbers C. Integers