Transform the equation by rotating the axes through the given angle. Identify the curve.x2 - y2 + 4 = 0, ? = 45°
A. x'y' = 4; ellipse
B. x'y' = 4; hyperbola
C. x'y' = 2; hyperbola
D. x'y' = 2; ellipse
Answer: C
Mathematics
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Find the sales price and total price. Round to the nearest cent.Amount of Sales Tax: $73.05Sales Tax Rate: 4%
A. $2435.00, $2508.05 B. $1461.00, $1534.05 C. $182.63, $255.68 D. $1826.25, $1899.30
Mathematics
Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 40 and increases at a rate of 5 per minute.
A. y = 40x + 5 B. y = 40x - 5 C. y = 5x + 40 D. y = -5x + 40
Mathematics
Find the missing values.
A. 32%, $207.90 B. 31%, $207.90 C. 3%, $207.90 D. 30%, $207.90
Mathematics
Graph the function. State whether it is increasing, decreasing, or constant..h(x) = -5x - 6
A. increasing
B. decreasing
C. decreasing
D. increasing
Mathematics