The model predicts an animal’s weight based on its age in days, represented by the equation f(x) = a + bx. The animal weighed 241 pounds at birth, gaining 3 pounds daily. Therefore, the constant a equals 241, indicating the initial weight when x is 0.
The scatterplot analysis involves determining the slope of the line of best fit for given points. Utilizing the formula for gradient, the calculations show the slope is approximately 0.44. Therefore, the correct answer is option C, assisting users in understanding how to estimate and calculate gradients effectively.
In the triangle shown, what is the value of tan x°?A) 1/26B) 19/26C) 26/7D) 33/7 Answer For questions related to sin, cos and tan, always remember this acronym. SOH-CAH-TOA The question is related to TAN so we’ll look at TOA from the acronym above: TAN of angle = Opposite side’s length divided by Adjacent side’s […]
The function h is defined by h(x) = 3x − 7. What is the value of h(−2)?A) −13B) −10C) 10D) 13 Answer We’re given the function: h(x) = 3x – 7 And we’re told to solve h(-2), which means x=-2 To find h(-2), we substitute (-2) everywhere we see (x). Original equation: h(x) = 3x […]
The triangle shown has a perimeter of 22 units. If x = 9 units and y = 7 units, what is the value of z, in units?A) 6B) 7C) 9D) 16 Answer The perimeter of an object is the sum of the length of all its sides. Imagine you want to construct a rope fence […]
What is the solution to the given equation?-54/w = 6 For the function f, the graph of y=f(x) in the xy-plane has a slope of 3 and passes through the point (0, −8). Which equation defines f?A) f(x) = 3xB) f(x) = 3x − 8C) f(x) = 3x + 5D) f(x) = 3x + 11 […]
Which expression is equivalent to 50x(squared) + 5x(squared)?A) 250x(squared)B) 10x(squared)C) 45x(squared)D) 55x(squared) The population density of Cedar County is 230 people per square mile. The county has a population of 85,100 people. What is the area, in square miles, of Cedar County? This is a simple addition question because x(squared) is common in both terms. […]
Browse through these SAT exam practice questions and solutions with easy explanations to help you score 1400 on your SATs! The more you practice, the better your SAT score! Use these SAT questions as your personal SAT course. Need help preparing for your SATs? Reach out to us! Leave a comment below!
What is 23% of 100?A) 23B) 46C) 77D) 123 If x = 40, what is the value of x + 6?A) 34B) 40C) 46D) 64 Remember, percent means “per” means “divide” and “cent” means “100”, therefore, percent can be written as “/100“ Therefore, 23 percent, or 23% can also be written as 23/100 or 23 […]
