Find the limit and determine if the function is continuous at the point being approached.sin(x sin2x + x cos2x + 1)

A. does not exist; no
B. sin 4; yes
C. sin 4; no
D. sin -2; yes


Answer: B

Mathematics

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Solve.Amy teaches Chinese lessons for $95 per student for a 6-week session. From one group of students, she collects $3800. Find how many students are in the group.

A. 42 students B. 44 students C. 40 students D. 30 students

Mathematics

Find the inverse matrix

What will be an ideal response?

Mathematics

Solve the equation.x +  = 

A. - 
B. - 
C.
D. - 

Mathematics

Write a system of equations associated with the augmented matrix. Do not try to solve.

A. 20x + 17y = 11 18x + 7y = 16 B. 17x + 20y = 11  7x + 18y = 16 C. 17x + 20y = -11 18x + 7y = -16 D. 17x + 20y = 11 18x + 7y = 16

Mathematics