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igomit [66]
3 years ago
5

A sequence can be generated by using an=3a(n−1),where a1 =5 and n is a whole number greater than 1. What are the first four term

s in the sequence?
Mathematics
1 answer:
umka2103 [35]3 years ago
5 0

Answer:

5, 15, 45 and 135

Step-by-step explanation:

Given the recursive function;

an = 3a(n-1)

If a1 = 5

a2 = 3a1

a2 = 3(5)

a2 = 15

For a3;

a3 = 3a2

a3 = 3(15)

a3 = 45

For a4;

a4 = 3a3

a4 = 3(45)

a4 = 135

Hence the first four terms are 5, 15, 45 and 135

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2.50+.25 (the amount elena has more than leslie) =2.75
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Joe started his homework at 4.15 pm.
solniwko [45]
5:30pm

just add 30 mins to 4:15pm which is 4:45pm then add the 45 mins to that which becomes 5:30pm
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How is the graph y=-1/2 (5)x-3 translated from the graph of y=1\2(5)x ?
Rom4ik [11]
For this case we have the following function:
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5 0
3 years ago
Kristoff rents a kiosk in the mall to open an umbrella stand. He pays $3 to the mall owner for each umbrella he sells. The amoun
jeka57 [31]

Answer:

Coolman2131231 avatar

Coolman2131231

23 seconds ago

Mathematics

College

Kristoff rents a kiosk in the mall to open an umbrella stand. He pays $3 to the mall owner for each umbrella he sells. The amount Kristoff pays is given by f(x) = 3x, where x is the number of umbrellas sold. Graph the function and give its domain and range.

Step-by-step explanation:

3 0
3 years ago
Suppose a local vendor charges $2 per hot dog and that the number of hot dogs sold per hour is given by , where is the number of
Elan Coil [88]

Complete Question:

Suppose a local vendor charges $2 per hot dog and that the number of hot dogs sold per hour is given by x(t) = -4t^2 + 20t + 60, where is the number of hours since 10 AM:

a) Find an expression for the revenue per hour as a function of x, R(x)

b) Find and simplify, R(x(t))

Answer:

a) R(x) = 2x

b) R(x(t)) = -8t^2 + 40t + 120

Step-by-step explanation:

a) This is a very trivial exercise.

x(t) = -4t^2 + 20t + 60

The number of hot dogs sold per hour is given by x

Charge per hot dog = $2

An expression of revenue per hour,R, as a function of the number of hot dogs sold per hour, x, is therefore: R(x) = 2x

b) x(t) = -4t^2 + 20t + 60

R(x(t)) = 2(x(t))

R(x(t)) = 2(-4t^2 + 20t + 60)\\R(x(t)) = -8t^2 + 40t + 120

7 0
3 years ago
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