X^2+5x-3
At x=-6
(-6)^2 +5(-6) -3
36 -30 -3
36 -33
The answer is 3
Answer:
(b) P(t) =7,200(1.03)^(t)
Step-by-step explanation:
The multiplier each year for the population is about ...
7416/7200 = 1.03
The initial value is 7200, so the exponential function can be written as ...
P(t) = 7200×1.03^t
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<em>Additional comment</em>
In plain text, the exponent is signified by a caret (^). Without it, the expression becomes a linear function. In typeset text, the exponent should be in a superscript font. (We notice that curriculum materials do not always properly represent exponential functions.)
Answer:
Step-by-step explanation:
Answer: 79 inches
Explanation:
Convert all the value to inches
2yd = 36 x 2 = 72 inches
2 ft = 12 x 2 = 24 inches
1 ft = 12 inches
Now let’s replace these number instead:
(72 + 24 + 6 - 12 + 11)in = 79 inches
Answer:
<em>The cheetah needs 9 seconds to run 270 meters</em>
Step-by-step explanation:
<u>Proportions</u>
Given the rate of change of the distance traveled by a cheetah is constant, we can predict the time taken to travel any distance.
The cheetah runs 120 for 4 seconds. The rate of change is:

This is the cheetah's speed.
To run 270 meters, we divide the distance by the speed to find the time:

The cheetah needs 9 seconds to run 270 meters