Decide whether or not the equation defines y as a function of x.y = 2x2 + 2x - 1

A. Yes
B. No

Answer: A

Mathematics

You might also like to view...

Evaluate the integral by using multiple substitutions. dt

A.  + C
B. -  + C
C. -  + C
D.  + C

View
Mathematics

Provide an appropriate response. Add 3 sec. + 4.5 sec. + 5.85 sec. + 9.123 sec. and round to 3 significant digits.

A. 22 sec. B. 22.4 sec. C. 22.473 sec D. 22.5 sec

View
Mathematics

Write the conjugate  of the complex number z. Then find z.z = 8 + 3i

A.  = 8 - 3i, z = 64 - 9i2
B.  = 8 - 3i, z = 73
C.  = 8 - 3i, z = 55
D.  = 8 - 3i, z = 64 - 9i

View
Mathematics

Solve the problem.A bathroom scale is compressed  in. when a 180 lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale  in. weigh?

A. 45 lb B. 135 lb C. 90 lb D. 360 lb

View
Mathematics