Find the area of the geometric figure.
A. 7 sq yd
B. 12 sq yd
C. 6 sq yd
D. 9 sq yd
Answer: D
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Solve the problem.Suppose f(x) = 28.9 + 1.5 log(x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 572 meters.
A. 78.21 g/kg B. 81.21 g/kg C. -24.76 g/kg D. 33.04 g/kg
Choose the function that might be used as a model for the data in the scatter plot.
A. Exponential, f(x) = ab-x or f(x) = P0e-kx, k > 0 B. Exponential, f(x) = abx or f(x) = P0ekx, k > 0 C. Logarithmic, f(x) = a + b ln x D. Quadratic, f(x) = ax2 + bx + c
Find the reference angle of the given angle.440°
A. 80° B. 10° C. 170° D. 100°
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 - 12x
A. vertex (6, -36)
intercept (0, -72)
B. vertex (-6, 36)
intercepts (0, 0), (-12, 0)
C. vertex (-6, -36)
intercept (0, -72)
D. vertex (6, 36)
intercepts (0, 0), (12, 0)