Caught warning in the question code: A non-numeric value encountered on line 16 in file /var/app/current/assess2/questio

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Caught Warning In The Question Code A Non Numeric Value Encountered On Line 16 In File Var App Current Assess2 Questio 1 (31.91 KiB) Viewed 33 times

Caught warning in the question code: A non-numeric value encountered on line 16 in file /var/app/current/assess2/questions/QuestionHtmlGenerator.php(198) : eval('d code Consider the function f(1) = 7x + 9x - 1. Where is the function undefined? What are the critical numbers? Find the intervals where f(x) is increasing Find the intervals where f(x) is decreasing Find the intervals where f(x) is concave up Find the intervals where f(x) is concave down