4 years ago

How does the function f(x) = a ln x compare to the parent function when |a| > 1?

2 answers:

5 0

Answer:

Multiplying a function by a constant expands the graph vertically by the magnitude of the constant. (If the constant is negative, the graph is also reflected about the x-axis.)

Step-by-step explanation:

Each value of a·ln(x) will be a factor of "a" farther away from the x-axis than it is for the parent function ln(x). That is, a·ln(x) is a vertically expanded version of the parent function ln(x). When |a| > 1, the expansion increases the distance from the x-axis.

hodyreva [135]4 years ago

3 0

Answer: stretched

Step-by-step explanation:

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Mrs.Roberts charges 25 for a basic cake that serves 12 people. If you want a large cake, it costs an additional $1.25 per servin

Kitty [74]

The total cost of a cake that serves 20 people is $35.

Step-by-step explanation:

Total cost = y
Number of additional servings = x
The number of additional servings = 20 - 12 = 8. (x=8)

The equation can be formed as:

Total cost = basic cost + (No. of additional serving $\times$ cost per additional serving)
y = 25 + x1.25
Substitute x=8 in the above equation
y = 25 + 8(1.25)
y =25+10
y = 35