60)

Observe the graph,

The graph is exponential function.

The curve passing through the point is

True.

61)

The graph of

Observe the graph,

True.81)

Observe the graph,

The graph of parent function

The graph shift from horizontal 2 units to left and shift from vertical 3 units down.

The function is

At

The approximate value of the function False.

82)

Observe the right angle triangle,

Find .

Option 1 is correct answer.

83)

Observe the right angle triangle,

Find value of

Option 1 is correct answer.

84)

Observe the right angle triangle,

Find value of

Option 2 is correct answer.