Q.4 Sketch the graph of y = 3<sup>x</sup> and y = 2(3)<sup>x+3</sup> on the same coordinate
plane. Identify each y- intercept, horizontal asymptote, base,
exponent, domain, and range.
Q.5 The dimensions of a rectangle are 2x + 1 and x - 1. If each dimension
increased by 2 units, write and simplify an expression that represents
the increase in area. Determine the area if x = 2.
Q.6 The number of bacteria in a culture is doubling every 3.75h. How
long will it take for the number of bacteria to increase from 30, 000 to
7,680,000?
Q.7 The symphony orchestra is holding a fundraising banquet in a hotel.
The hotel charges $200 for the banquet hall, plus $60 per person.
Tickets are $100 each. How many tickets must be sold to raise more
than $10,000?