Quiz: Class Homework

Quiz In Class

Title: Calculus, Statstics

Grade: Core-SAT3 Lesson: Sfirst-F4

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id Problem Options

1

Find the limit of g(x) = \$ (4x^3 - 3x^2 + 5x - 7) / (2x^2 + x - 1 )\$ as x approaches -1.

A) 1

B) Does not exist

C) 2

D) None of the above

2

Solve this equation \$( 4x^2 - 7x + 3 )/(3x-1) \$ = 0.

A) x = 1 and x = - \$3/4\$

B) x = - 1 and x = \$3/2\$

C) x = 1 and x = \$3/4\$

D) x = 1 and x = - \$3/5\$

3

Find the derivative of the function \$f(x) = cos^2(x)sin(x)\$.

A) \$ -2cos(x) + 3cos^3(x) \$

B) \$ -3cos(x) + 2sin^3(x) \$

C) \$ -2sin(x) - 3cos^3(x) \$

D) \$ 2sin(x) + 3cos^3(x) \$

4

Use factoring to solve the equation:
\$ t + 1 = (2t - 5)/(t + 3) + (5t + 8)/(t + 3) \$

A) t = - 6, t = 4

B) t = - 3, t = 9

C) t = 0, t = 3

D) t = 2, t = 6

5

Perform the division: \$(-3 + 2i) / (1 - i)\$.

A) \$ (- 5 + i)/2 \$

B) \$ ( 5 - i)/2 \$

C) \$ (5 + 3i)/2 \$

D) \$ (- 5 - i)/2 \$

6

Evaluate \$ \int ( (2x^2 - 5x + 3)/(x^2 - 2x +1) ) dx\$.

A) \$ 2(x - 1) - ln (| x + 1|) + c\$

B) \$ 2(x - 1) + ln (| x - 1|) + c\$

C) \$ 2(x + 1) - ln (| x + 1|) + c\$

D) \$ 2(x - 1) - ln (| x - 1|) + c\$

7

Given the polynomial function \$ f(x) = 3x^2 − 5x + 2\$, find the roots of the equation f(x) = 0.

A) \$ x = 2/3, x = 1\$

B) \$ x = 2/3, x = 1/3\$

C) \$ x = - 3/2, x = - 1/2\$

D) \$ x = 3/2, x = 2\$

8

Perform the indicated operation and reduce the answer to the lowest terms:
\$ (y^2 - 49)/(2y^2 - 3y - 5) \div (y^2 - y - 42)/(y^2 + 7y + 6)\$.

A) \$ (y + 5)/(2y - 5) \$

B) \$ (y - 3)/(y + 1) \$

C) \$ (y + 7)/(2y - 5) \$

D) \$ (3y + 7)/( y - 5) \$

9

Evaluate the following infinite series: \$ \sum_{n=1}^\infty ((n^2 + 2) / (n^4 + 4n^2 + 2)) \$.

A) Diverges, and its sum is 0.

B) Converges, and its sum is 0.

C) Converges, and its sum is 1.

D) Diverges, and its sum is 1.

10

Evaluate the definite integral \$ \int_0^(π/4) tan^2(x) sec^4(x) dx \$.

A) \$ 7/(25)\$

B) \$ 9/(16)\$

C) \$ 5/(17)\$

D) \$8/(15)\$


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