Evaluate the determinant.
A. -90
B. 90
C. -106
D. 74
Answer: B
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Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 6 ohms and 5 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.
A. 0.020 B. 0.015 C. 0.030 D. 0.025
Provide an appropriate response.In what quadrant of the xy-plane does P(-7, 4) lie?
A. II B. I C. IV D. III
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.a = 7, b = 9, B = 49°
A. no triangle B. one triangle; A = 76.01°, C = 54.99°, c = 7.60 C. two triangles; A1 = 76.01°, C1 = 54.99°, c1 = 7.60 or A2 = 103.99°, C2 = 27.01, c2 = 12.14 D. one triangle; A = 35.94°, C = 95.06°, c = 11.88
Graph the function.f(x) = ln (x) 
A. 
B. 
C. 
D. 