Answer:
A. Function A has a rate of change of -5 and Function B has a rate of change of -4.5, so Function A has a greater rate of change
Step-by-step explanation:
✔️Function A rate of change can be calculated using two points, (1.5, 5) and (2.5, 0)
Rate of change of function A = -5
✔️Rate of change of Function B, y = -4.5x + 15:
The equation for function B is given in the slope-intercept form, y = mx + b. Here, m represents the rate of change.
Therefore, the rate of change of the equation, y = -4.5x + 15, is -4.5.
✔️Function A has a rate of change of -5 and Function B has a rate of change of -4.5, so Function A has a greater rate of change. This is because the larger the value, regardless of the sign, the steeper the slope.
Answer:
x = 95
Step-by-step explanation:
Using the rule of logarithms
• x = n ⇔ x =
Given
(x + 30) = 3, then
x + 30 = 5³ = 125 ( subtract 30 from both sides )
x = 95
Answer:
D. 80 mL
Step-by-step explanation:
Given:
- 10.0 mL of HCL
- 2.0 M HCl
- .25 M HCl
1) Convert mL to L
10 mL/1000 mL = .01 L
2) Find # of moles of HCl
2.0 M HCl = (x/.01 L)
x = .02 mol HCl
3) Find volume needed to make .25 M HCl
.25 M = .02 mol HCl/ y
y = .08 Liters
4) Convert Liters to mL
.08 L * 1000 mL = 80 mL
Answer: 80 mL (D)