General Mathematics (NATG12 REVIEW)

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

The inverse of exponential function is

• Inverse function

• Logarithmic function

• Square root function

• Ln function

Which of the following relation is a function?

• R = {(0, 1), (2, -3), (1, 0), (2, 8)

• R = {(5, 1), (0, -3), (1, 0), (5, -3)

• R = {(1, 1), (2, -3), (1, 0), (2, -3)

• R = {(1, 1), (2, -3), (3, 0), (0, 10)

The graph of this function is a parabola.

• linear function

• quadratic function

• constant function

• absolute value function

It is the dependent variable in the linear function.

• x

• y

• m

• b

How many years it takes for a money to double itself if it is invested at 3% compounded annually?

• $\log_23$

• $\log_21.03$
  

• $\log_{1.03}2$

• $\log_32$
  

 $The\ domain\ of\ y=2^x\ is$ 

• Positive real number

• All positive real number

• All real numbers

• Nonnegative real numbers

The range of the function y=3^x is

• All real numbers

• All Positive real numbers

• All Nonnegative numbers

• All nonzero Real Numbers

Which of the following is not a function?

• $f\ =\ \left\{(1,2),(2,4),(3,6),(4,8),(5,10)\right\}$

• $g\ =\ \left\{(-1,3),(0,1),(2,5),(4,8),(8,8)\right\}$

• $h\ =\ \left\{(1,1),(1,2),(2,3),(2,4),(3,4)\right\}$

• $k\ =\left\{(-2,2),(-1,3),(0,4),(1,5),(2,6)\right\}$

• x = 0

• x = 1

• x = -3

• x = 12