Answer:
x= 7 and -8
Step-by-step explanation:
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1 answer:
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Answer:
Option (a) is correct.
Step-by-step explanation:
Given :A function has real zeros at x = −10 and x = −6 .
We have to find the function that has real zeros at x = −10 and x = −6.
Consider real zeros at x = −10 and x = −6.
x = - 10 ⇒ x + 10 = 0
x = - 6 ⇒ x + 6 = 0
Multiply both zeroes, we have,
Apply Distributive rule,
we have,
Simplify, we have,
Thus,
Option (a) is correct.
The data plan that has the cheapest deal is given by the ratio of the data
plan price to the GB allocated.
- The deal that has the cheapest price per GB is <u>B. Prepaid Single Phone Plan $45 for 16 GB</u>.
The given phone data plans are;
The price per GB are;
Plan a = $30 ÷ 1 = $30 per GB
Plan b = $35 ÷ 6 = $5.8 per GB and $40÷ 6 = $6.
per GB for Family Plan
Plan c = 45 ÷ 16 = <u>$2.8125 per GB</u> and $3.125 per GB
Plan d = $65 for Unlimited Data = 65 ÷ ∞ ≈ 0; $70 for Unlimited Data = 0
Therefore, the plan with the cheapest price per GB from the given option is option B.<u> Prepaid Single Phone Plan $45 for 16 GB</u>.
Learn more about ratios here: