Dollar

PLEASE SHOW YOUR WORK ON HOW TO GET THE CORRECT ANSWER

The range of g(x)= (-x^2+2x+7)^(1/2) is:

options:

a) 1≤y≤8

b) 0<y≤√8

c) 0≤y≤√8

d) 0<y<√8

The range on which h(x)= 2x^3−12x^2+0x−2 is increasing is:

Options:

a) 0<x<4

b) −6<x<−2

c) −∞<x<0 and 4<x<∞

The derivative of

y = e^(2.1x^2+1.4x+1.2) is:

Options:

a) e^(4.2x+1.4)

b) e^(2.1x^2+1.4x+1.2) (4.2x+1.4)

c) e^(2.1x^2+1.4x+1.2)

d) e^(2.1x^2+1.4x+1.2) (2.1x+1.4)

The derivative of y=(2.1x^2−3x+1.1)^5 is:

Options

a) 5(2.1x^2−3x+1.1)^4 (4.2x−3)

b) (2.1x^2−3x+1.1)^4 (4.2x−3)

c) 5(2.1x^2−3x+1.1)^4 (2.1x−3)

d) 5(2.1x^2−3x+1.1) (4.2x−3)

The slope of the tangent line to y=ln(4x+6) at x=17 is:

Options:

a) m=237

b) m=437

c) m=382

d) m=372

The tangent line to x^2+9x−3 at x=0 is:

Options:

a) y = 9x+3

b) y = 9x-3

c) y = -9x-8

d) y = -3x+9

What is limx→∞ (4x^2−6x+8) / (x^2+7x+24)

Options:

a) 14

b) ∞

c) 4

d) 0

Which of the following statements is true about optical media?

Question 7 options:

A Blu-ray burner will most likely burn both CDs and DVDs.

A DVD burner can burn Blu-ray discs.

All CD burners can burn all types of CDs.

DVDs can be played by CD burners but cannot be recorded on them.

Which of the following is an example of discounted software?

Question 4 options:

a software suite

educational versions of software

beta versions of software

Web-based application software

Which Microsoft program is used to create technical drawings, map basic block diagrams, and more?

Question 2 options:

Excel

Visio

Illustrator

Paintbrush

What is limx→∞ 4x^2−10x+9 / 9x^2−14x−25

Options:

a) 94

b) 0

c) ∞

d) 49

If H(x) is the Heaviside function,

then compute lim x→5^- −3.2⋅H(8x−40)+4.1

The result is:

Options:

a) -7.3

b) 0.9

c) 4.1

d) -3.2

What is the value of limx→∞ 5x−16 / e^9x

Options:

a) 717

b) 0

c) ∞

d) 110

What is limx→∞ 4x^2−10x+9 / 9x^2−14x−25

Options:

a) 94

b) 0

c) ∞

d) 49

If limx→x f(x)=2.55 and limx→x g(x)=−0.88

then what is limx→x f(x)−g(x)?

Options:

a) 1.67

b) 3.43

c) 4.03

d) -3.43

If H(x) is the Heaviside function,

then compute lim x→5^- (from the left side) −3.2⋅H(8x−40)+4.1

The result is:

Options:

a) -7.3

b) 0.9

c) 4.1

d) -3.2

If we set up a night club at a cost of $1000.00 and make a profit of $8.06 per patron then the line that describes profit as a function of number z of patrons is :

Options:

a) P=8.06z−1000

b) P=7.58z−1750

c) P=7.58z+1000

d) P=8.06z

The linear system

−x−7y+8z=−14

9x−6y+3z=−30

8x−13y+11z=−39

has how many solutions?

Options:

a) 2

b) infinitely many

c) 1

d) none

If you solve the linear system

13x+11y+9z=161

9y−2z=76

−9z=18

then in the unique solution x=

Options:

a) 8

b) 9

c) 7

d) -2

The system of equations:

−5.9x+14.7y=23.5

−2.95x+7.35y=11.75

has how many solutions?

Options:

a) 1

b) infinitely many

c) none

d) 2