Answer for 7: C
Answer for 9: A
Step-by-step explanation for 7:
Because the variable is an exponent, we know there are no real numbers which cannot be placed in the exponent. Therefore, the domain is all real numbers.
Step-by-step explanation for 9:
Test a few values for x. Notice as the x value gets higher, the y value gets exponentially higher. Notice as the x value gets lower, the y value approaches 0, but no value of x will have y equal to or less than 0. Therefor, the asymptote, or line that cannot be crossed is 0 - making A the correct solution.
Answer:
a) 24 cm
Step-by-step explanation:
Tangents form a 90° angle with a radius.
using the Pythagorean theorem:
D² = 25² - 7²
D² = 625 - 49 = 576
D = 24
Answer:
1254.4
Step-by-step explanation:
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The answer is option D.
In order to solve for the slope, you have to use the equation (y2 - y1)/(x2 -x1).
In this specific question, we have two points: (-9, -6) and (3, -9). If we use the equation above:
(-9 - (-6))/(3 - (-9))
(-9 + 6) / (12)
-3/12
-1/4
-T.B.